In actuality, the high speed stack is the entire stack, but the cross over shim causes a separation that allows customiztion of performance in the slower speeds of suspension travel. Check the level to make sure the bubble. qa1 6095 aluminum smooth body shock 9 inch stroke 5 5 valving. i would consider using 4 24. Good trade between performance and comfort. I work my way up from low order shims (x, y) to high order shims (xz4, yz4, xyz3, (x2-y2)z3, x3z, y3z) and then back down, working in complementary pairs (i. The split shim on tenere is digressive. Some valving may require dual stacks or more to achieve the desired tune. Working on our front 2. 0 shock rebound chart for the #60 series valving. He's never seen a flutter stack for rebound. We fit the PUSH piston and configure PUSH shims to control the oil flow through the entire compression stroke, whilst taking into account your riding style and bike. Shim Stack Technology. 3mm and that limits your options for tuning the thing. We can achieve firmer compression setting whilst retaining a plush feel changing to this design. The valving shims on one side of the piston flex when oil pressure/oil flow is applied in the appropriate direction. English term or phrase: shim stack With previous examples the basic principle of aligning a 90° gear transmission is explained and that each shim stack influences the total meshing of the gear as well as he clearances between them. first one i done had to shims as a flutter shim. The rebound shim stack. Simply fit and feel the ride The perfect, compliant and controlled road shock - built just for you, to your exact specification, from your suspension specialists, HPS. Here are the variables for tuning on the stock forks: Oil being forced through shim-stack blow-off valves to create damping is the magic that separates the supple forks of the XR250R from simple pogo sticks. If you don’t have shims, you may need to get either a riser bar or a riser stem. Lastly, a 20$ investment in some cheap tools and a few bucks for some shock oil and you can fully tune the shock yourself. 15 (2 shims) 8x12x. He was extremely helpful and friendly as he asked me some questions then told me to do this shim stack mod and. PLEX Valves are the ideal solution to the very limited tuning/valving issues caused by the old rod fork design. Specialist in complete Motorcycle suspension set up, servicing and tuning. The super-digressive stacks and their easy DIY tuning that come in shocks like the latest Monarchs mean the brain has really had its day, even on horst-link bikes like the Speci. 1 Modelling of the chambers 15 3. Williams built a new shim stack with new shims, then assembled the base valve and cartridge rod. Easton sells the EA50 stem with either 6 or 20 degrees of rise. These shocks separate the gas from the oil with a dividingpiston, usually located in a remote (or piggy back) reservoir. Secondly I'm curious how you guys. 27 This is the new valve stack assembled on a screw driver shaft. The higher the number, the more damping force the shock will have. Responsive to higher frequency inputs. Available options include: plush ride shim spindles, compression shim stack and a rebound spring kit. RockShox Domain RC Dual Crown Coil 200 Maxle 20 Black '11 Fork Overview RockShox Suspension Forks Same product as the 2012 New Version, but with different packaging and without a service kit included. A plug for ReStackor: If you need your setup to be 3 or 4 clicks stiffer or softer at high speed or low speed ReStackor will give you a clue for the shim stack changes needed. This tells me the valving is either super loose or being bypassed past the shim stacks somehow. Tapered stack shim stack tuning The usual gig for suspension tuning is working on shocks that run simple tapered shim stacks. Please also make sure to review our Shock Valving Guide and Shock Tuning Guide. I developed pain in my right Hip so returned the shim stack to 2x 3mm shims which solved the pain. The base valve has a thick stack of. Under Compression, oil is pushed through a port and lead into the shim stack. On the return stroke, oil flows both through the return side shim stack and the center of the rod regulated by the tapered tuning rod. The main factors are how heavy you are and how aggressive a rider you are, but after that there are all manner of other factors to take into account from terrain to weather conditions, and in the case of adventure bikes, how much luggage you are packing. The damping assembly consists of two separate assemblies of pistons with shims. If you revalve, stack thickness will only increase. 5" diameter shocks. In our case, we were looking for a firmer compression valving to help compensate for the increased weight and speed our 4x4 is now enduring. The adjustable compression is situated in the reservoir. This combination of shims is commonly referred to as "valving," and because of the endless combinations of various sizes and thicknesses of these shims, there are almost an infinite number of possible valving curves available. 20 cross shim. We'll see, my first ride feels pretty good over tree roots with my compression at 18 clicks. As for the boost valve removal and replacement with a shim stack, this will be the same for both shocks the difference is how we handle the adjustment of the compression. In a two stage stack, part of the stack closest to the valve body is considered the slow speed stack and the remaining part of the stack is the high speed stack. It's likely that 1 click out is possible the best you're going to get things without taking the shock to a suspension shop to replace the valving or alter the shim stack. 14 what compression stack is used. So this "loader"-unit easily can be removed for tuning the shim-stack, but without completely disassemble the whole shock. I didnt have a lot of shims to play with so I ran a straight 5 stack of. 200" thick backup washers (thick washers located just below the nut) are NOT included in this kit because you should already have them in the shock if you're revalving it. Rebound is now 8 clicks from open / 12 from. Explanation of the order of things: Top right is the piston. Shock valving shims are precision machined in various thicknesses and are heat treated to hold up to temperatures exceeding 500 degrees without losing strength. The one on the left is called a clamp shim and comes in two different sizes that make a huge difference in the breakaway rate and feel of your platform. However, the whole point of a shim stack is the ease of tuning. EFILive "2CP3" Tuning, Mike L Suncoast Trans. If you got a velocity stack from us, you will definitely need to re-jet and tune your carb/carbs with one of these kits! Any time a change is made to exhaust or intake, a re-jet is necessary. A stack of six shim washers is provided at the outboard end of the link, to be distributed above and below the Uniball in order to adjust the joint height and attain the desired bump steer characteristic. Custom Valving and Midvalves are included in all our Cartridge Kit Assemblies. glad to help, Andrew. The valving shims on one side of the piston flex when oil pressure/oil flow is applied in the appropriate direction. This update is implemented on all 2020 FOX 32, 34, and 36 non-Step Cast fork models featuring FIT4 dampers. Admittedly, gold valves have a more advanced shim stack and so can be tuned a lot more precisely than the stocker, but they cost $$$ and this mod is totally free. Working on our front 2. With a shim stack the back pressure from the compression adjuster can be tuned to match the main piston pressure drop and keep the rebound chamber pressurized at a constant value over the stroke velocity range. This is on the bleeding edge so it is not for everyone. 30 insead of. This offers the driver significant improvements over the factory dampers, with low speed ride comfort being utterly transformed with much more compliance. To determine the proper starting shim stack, proceed as follows: 1. One site you will want to keep in your web browser favorites is this one: KTM 690 Wiki. I show you how to dismantle the charger damper, adjust the rebound tune to light and propose a first step in tuning the compression stack. Product Details: 1/16" x 2" x 4-1/4" Black Stack Shims. SACHS 48 mm FORK. Tuners Shim stack Suitable For popular shim size of 12mm. Gold Valves improve flow allowing the shim stack to control suspension action. You can try putting a shim in to reduce preload and see what happens. In my search for better fork performance Wp cc, I figured out I liked a light base valve compared to stock, a tighter mid valve float with a modified for longevity shim stack. Usually itʼs sufficient to just shim on the lock. Custom Tractive Valve Tuning System tune selection for each rider based on frame, weight, terrain, aggression, and preference; Customised rebound valving to replace the stock non-functional rebound shim stack; Over 140 possible valving combinations for this shock alone; Nitrogen charged via low-profile reservoir end cap. Email this product to yourself. When enough pressure builds, one or more of the washers flex to allow oil passage. Install them to the inboard side first, then outboard. Near the end of his racing career Matt started tuning his own and a few friends bikes. With no shims, the groove is moved as close to the profile cutter as it can ever be. As with the engine tuning thread. When a series of shims are assembled together, they are considered a "shim stack". Compression: relocated one of the 10x0. Starting from the valve body, here’s the shim stack for each leg. Our dampers are for the tinkerer, the rider whose eyes light up at the idea trying different shim configurations, and wants a fork that lets them easily get into the inner workings to tune away to. Learn the art of suspension building in a purpose built workshop. Although they are partially covered by the compression shim-stack, shock fluid is directed to the rebound shims by way of the step-milled slots closer to the outside edge of the piston. By adding the optional gas-separating piston, the CCJ becomes a full DeCarbon. 45”, meaning it has compressed 3. Here is the OEM Shim Stack - first number is shim diameter in mm, second number is shim width - it starts with 5 off 17 x. 2 Testing of the damper in a test bench/dynamometer 24 Shock absorber B. Save $15 off orders over $150 with deal code SAVE15 Some products are ineligible. About Dyno Shop services news contact. Like this: The rightmost of the three pictures is missing the cup washer. EFILive "2CP3" Tuning, Mike L Suncoast Trans. There are so many shim combinations available that tuning and performance characteristics are nearly limitless. Go get a copy of shim restackor. Mid-Valve Tuning: The stack stiffness and float of mid-valve shim stacks can be tuned to control bottoming resistance. The shim stacks come in ranges from 30 to 110. While velocity-sensitive damping is nothing new, spool valves offer a much higher degree of repeatability, predictability, and accuracy when tuning compared to traditional valve shim stacks. Faster hits direct oil through the shim stack, and adjusting the high-speed compression knob puts pressure on the shim stack to increase the damping force. valving) cLX 1028 (crossover shim stack) cH170 (high speed comp. Sportbikes tend to have a single stage stacks. 80mm in thickness, there are an endless number of possibilities when it comes to building the perfect stack for your vehicle. Adhering the stack of adhesive shims to the tip of a straight blade screwdriver facilitates easier positioning on the inboard side. Update Feb 2017: The noise has returned, it's less pronounced than before, but its the same noise and can be felt through the brake pedal. – Mount shim stack Info Align the triangular plate exactly with the piston opening. With the shock disassembled, you can modify the shim stack/valve head or just change oil viscosity to adjust the damping of the shock. 0” Shock Valving Chart Air Shock / Emulsion Shock / Remote Reservoir Shock Thick washers just below the nut. G3-LD Shock Gold Valve Kit. Learn the art of suspension building in a purpose built workshop. 2005 GMC 2500HD LLY "Casper" - LLY O/S 8758. 14 what compression stack is used. Responsive to higher frequency inputs. The result is excellent short stroke/high force performance. This shim stack is primarily what is changed in a suspension "Revalve". The following table contains several sample compression and rebound shock valving shim stacks ranging from extra soft to extra firm. Krooztune KTM WP AER 48 Testing and development. Learn the art of suspension building in a purpose built workshop. It had a little more low speed & smaller diameter crossover shim with the second crossover shim was thicker (. 5" Performance Race (Pre-Runner) Series and King Pure Race Series shocks. V2- You will either be building a Single Stage or a Two Stage Stack (or possibly a combination of both). Revalving your Fox 2. King Shock Shims are made of thin and flexible heat treated stainless steel and are rated to withstand shock temperatures of over 600 degrees Fahrenheit while only losing 2% of their strength. Nov 1, 2016 Or how the world cup guys run their shim stacks. Using a bunch of thin shims is not without it's problems. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. It also exercised to show the effects of tuning on damper. Here is the OEM Shim Stack - first number is shim diameter in mm, second number is shim width - it starts with 5 off 17 x. 5mm to 60mm in diameter, and. The sample applications below demonstrate use of both the Shim ReStackor and ReStackor pro to solve practical suspension tuning problems. Are you having trouble with a blown or under-performing compression or rebound circuit? We can custom-tune your shim stack and oil weight to create your desired ride quality. Check out www. You need to spend money with someone who can sort that for you, Loco, TF, etc. 5″ Shim Kits Advanced Tuning: Flutter Shim Stack A flutter stack is a configuration were a smaller diameter shim (gap shim) is placed between two larger diameter shims, usually on the compression side and within one or two shims from the piston face. This combination of shims is commonly referred to as "valving," and because of the endless combinations of various sizes and thicknesses of these shims, there are almost an infinite number of possible valving curves available. shim stack at the bottom of the cartridge, called the base valve, which meters oil dis- placed by the incoming car- tridge shaft. Your one stop PERFORMANCE SHOP. Products Pro-Action Air Mixture Screws Available For Honda, Kawasaki, Suzuki And Yamaha$25. In conclusion, the 2017 KTM 300 XC-W hit a home run with the new motor, but took some irritating shortcuts with the XPlor suspension. Preload is often used as a tuning variable, but like with anything it is important to avoid going to extremes. I also dropped the seat hieght by 3mm. This helps to keep some pressure on the shock fluid during compression without the need for higher gas pressure behind the floating piston. Standard shims, also called valve discs, are stacked pyramid style over the top and bottom of the piston, getting progressively smaller the further they are from it. 1 damper upgrade is the internal replacement of conventional compression shim stacks with Push's more sensitive & linear Shim-less Compression Valve. UPDATE Take a look at the Illustrated Guide to Monitoring and Tuning the Linux Networking Stack: Receiving Data, which adds some diagrams for the information presented below. With that app you can hack around on the shim stack and see the results of each change in terms of how many clicks stiffer or softer each shim change will make your suspension. The KX design philosophy – to put mid-level to expert riders on the top step of the podium – has not changed since the brand was launched over 40 years ago. Oil flow through these shims is through the centre of the damping rod and out into the valve plate through holes in the damping rod. Yes you can change the shims internally by yourself but you will need a good understanding of what dynamic you want changed and how each each part of the shim stack does what. If you tapped it in a little farther you could get some forcing cone/cylinder binding. a custom setup then the Tuning Kit provides many pre. 25) sum up to a shim factor of 104. Stock Tuning Limitations The factories plan on designing a bike that works moderately well for a large section of riders and usages. Shim stack stiffness characteristics were obtained using experimental and Finite Element techniques. Product Details: 1/16" x 2" x 4-1/4" Black Stack Shims. This combination of shims is commonly referred to as "valving," and because of the endless combinations of various sizes and thicknesses of these shims, there are almost an infinite number of possible valving curves available. Instead of staking the nuts, Race Tech uses red Loc-tite and torques the nuts to 45 inch-pounds. Utilizing the SWAG method, I determined removing 2 of the main shims should be close to where I wanted to be. You need 2 shims for the Hammer on the Hammer Pin, 2 for the Disconnector at the Disconnector Pin, 2 for the Sear at the Trigger Pivot Pin, and 2 for the Trigger at the Trigger Pivot Pin. The Grip2 damper retains it high and low speed compression and rebound adjustment, but Fox has changed the way the shim stack on the 4-way adjustable damper works. But after that it goes to a series of small shims close together in size, with a large gap in between, size wise anyway. The blow off valve shim stack is set so that if it is given a high velocity impact of a set force a spring that sits ontop of the shim stack will compress allowing the shims to come away from the piston head and allowing the oil to flow quicker. Shop Rock Shox Piston Shim Stack Vivid R2C 2011 Low, 114115081010. Standard Shim Stacks. Depending on the year of your shock, you may have a 16x. By adding the flutter shim this should let the initial part of the stroke be fairly soft by allowing shim 1 & 2 to flex a little more before coming into contact with shim 4 and the rest of the stack which will then progressively increases the damping proportionately to the shaft speed. Tighten the piston bolt to 75 in-lb (8. Most adjustability on the market. All cylinders are measured as standard and the port dimension are worked out using port time area. For a quick refresher, the Packer value is how tall the shim stack is on top of the bump spring; Shock Deflection is how much the shock has traveled from full length. Fine tuning the stile cutter stack is straight forward. 5" Performance Race (Pre-Runner) Series and King Pure Race Series shocks. Advanced Tuning: Flutter Shim Stack. Lastly, a 20$ investment in some cheap tools and a few bucks for some shock oil and you can fully tune the shock yourself. as you get further away from the piston), split (two different shim stacks directly on top. Free delivery and returns on all eligible orders. The goal i wanted to acheive in tuning the highspeed shim stack was to try and retain small bump performance, but try and increase the bottom out resistance. In a 2014-17 RCT3 Pike/Lyrik damper you have three choices for HSC. On the shim stack are three shims: 21, 15 and 12mm, and while there are only two recommended configurations (which are shown in step 12) you can experiment with a couple of other things. 2 paired with a 11mm clamp shim, or the most current stack of 8x15x. Looks better to me, for. Mid and high speed rebound is controlled by a custom valved shim stack to match the riders weight(air can pressure) and the leverage of the frame. Other features include a high-volume piston, cooling fins and Trelleborg seals. That would likely ( When compressed into the same space ) raise the set point a LOT or over compress them all IMO that is the short coming of regulator designs that splits in the middle and the space Bevels occupy is a fixed distance and the Seat "Can Not" be varied in height to fine tune the seat/open close cycle within a travel range of the spool. 15 doesn't belong in that stack, kind of looks like a blue KYB shim too) I don't see a picture on your post, but the bleed hole will be in the side of one of the piston ports. So here is what I found - the Shim Stack is a typical Showa Pyramid Stack - Shim widths are all. Our dampers are for the tinkerer, the rider whose eyes light up at the idea trying different shim configurations, and wants a fork that lets them easily get into the inner workings to tune away to. I have not been able to diagnose it and I'm hoping that someone here might be able to help. 5mm to 60mm in diameter, and. The super-digressive stacks and their easy DIY tuning that come in shocks like the latest Monarchs mean the brain has really had its day, even on horst-link bikes like the Speci. A benefit of this reconfiguration is that its easier to swap volume spacers to boost the progressive feel, as FOX removed a previous seal, making changes. My research thus far leads me to believe that the shims used are (sourced from/the same as) Fox shock shims, which come in numerous different ODs to allow tuning of tapered shim stacks. This update is implemented on all 2020 FOX 32, 34, and 36 non-Step Cast fork models featuring FIT4 dampers. Keeping the carrier shims the same at 53/26 gave me a backlash of about 5. This gap should be visible, if it isn't, disassemble the stack and look for burrs to surface and/or dirt in the valving. Digressive works well on comp stack to control low speed weight shift such as braking etc. We could have a lot of discussion about that shim, but my opinion is that it isn't necessary on those forks. I didn't end up using the Pinto parts - I used the Baer kit for the Subaru. This determines the maximum size to enlarge a port. The HSC uses two concentric circuits on a shim stack. 30 insead of. By shim factors the tapered stack high speed section (38. I bolt it all up and check for play - no movement at all. For 2020, new shim-stack damping pistons improve road feel under aggressive conditions. 003" shorter than the guide that went on the first valve to even things out. Reassemble and check again. Suspension Direct in a vendor and manufacturer of suspension parts for Motocross and UTV Applications, selling brands such as WP, Showa, KYB, Walker Evans, and Fox. The pistons flow enough oil such that the shims dominate the valving profile and at high shaft speeds oil flow through the piston is not choked. Otherwise there would be more shims in the stack, and they would be different sizes according to their function. Off-Road Racing Shocks Shim Stack Examples. 5" Shock Replacement Valve Stack SKU: King 2. I made a stack of two shims from 1/8" aluminum plate for each side. 1 or 2 spacers (044-20-035 or 044-10-035) may be added or removed from the lockout shim stack to adjust lockout plate lift to within approved range. The numbered stacks that Fox gives are so basic it's not even funny, and all the numbers are for is nothing more than an identification of their given shim stack. The LSC adjuster is of the port-orifice type and constricts flow through the center of the clamp bolt. The new FIT4 damper assembly construction is lighter as well, with an average weight savings of 35 grams. I took the first 2 from the top. The shim specs are shown as OD x Thickness, in millimeters (mm). Beyond the basic calculation of the shim factor of an individual shim there is software available to assist in tuning suspension. This combination of shims is commonly referred to as "valving," and because of the endless combinations of various sizes and thicknesses of these shims, there are almost an infinite number of possible valving curves available. 0 shock rebound chart for the #60 series valving. There are many techniques for valving a shim stack for a particular rider, application and machine. When changing springs you don't have to restart damping tuning at zero. There is no material around the outside edges or around the bolt, just open space between the cap and block. 1mm from the compression stack and added a 13x0. A shim stack is the best way to control flow. 10mm which should give plenty of room for tuning. Established in 2003, Integra strives to stay on the leading edge of technology to give customers the inside track on what it takes to improve their racing program. King Shock Valving. The the Pike has a straight stack of 18mm 0. Position 1 leaves the base tune alone. Ref: NTSPTTRI. How Damper Oil Flow Is Controlled - Video. 5" Performance Race (Pre-Runner) Series and King Pure Race Series shocks. A shim stack consists of small discs of varying diameters and thicknesses that sit both above and below the piston. 10 shims which are the Slow Compression Shims. Air increased to 60PSI as the fork felt wallowy with 50 after the shim stack change. Some theories have worked out, others have not. The Chevy Colorado ZR2 Is Your Mid. Moving the high-speed knob increases or decreases the surface area contacting the shim stack, which is essentially like adding or removing shims in the valve. 25 were a good idea to keep the rebound from being too springy with that much bleed. Looks better to me, for. All good if you are building a shock to respond and stay consistent. The piston bolt enters through the opposite side of the piston, and the rebound shims are generally thicker than the compression shims if you are stuck deciding whether a shim belongs in the rebound or compression stack. To determine the proper starting shim stack, proceed as follows: 1. Ref: NTSPTTRI. "Light Tune" Compression Shim Stack This is the great white whale of the Pike RC. Disassembly and cleaning of suspension components, further disassembly of suspension shim stack and valves. Cane Creek's tuning section goes from full open? (which usually preload a spring onto the shim stack or poppet), but it would make sense to do the same as with. Compute the stiffness of complex shim stack structures. 5″ Shim Kits Advanced Tuning: Flutter Shim Stack A flutter stack is a configuration were a smaller diameter shim (gap shim) is placed between two larger diameter shims, usually on the compression side and within one or two shims from the piston face. The following table contains several sample compression and rebound shock valving shim stacks ranging from extra soft to extra firm. After taking the Showa BFRC shock apart and reviewing the design first hand the … MXT 2017 New Products. Is there a video howto on disassembling the valve stack?. In other words, because the lower shim stack is fixed to the upper shim stack, if the latter is not moved then there is a reasonable chance to get the lower shim stack back to, or at least close to, its. Included is what shims to reassemble with. Shim thickness: For tuning you can replace a shim or series of shims with a thinner or thicker shim. Your suggestion 3sounds good to me. When I run the app with browsersync, it works. Shim stack stiffness characteristics were obtained using experimental and Finite Element techniques. Hello, I am hoping that someone could guide me on a project I Have started. By adding the flutter shim this should let the initial part of the stroke be fairly soft by allowing shim 1 & 2 to flex a little more before coming into contact with shim 4 and the rest of the stack which will then progressively increases the damping proportionately to the shaft speed. valving) Rebound valving: cL2005 (low speed comp. 015 shim pack on the compression. Dye’s new MOS gives the operator unparalleled access to precision tuning, vital performance feedback, and service reports. Cane Creek's tuning section goes from full open? (which usually preload a spring onto the shim stack or poppet), but it would make sense to do the same as with. Preload is often used as a tuning variable, but like with anything it is important to avoid going to extremes. 3 Modelling of the shim stack deflection 17 3. Under Compression, oil is pushed through a port and lead into the shim stack. Mid and high speed rebound is controlled by a custom valved shim stack to match the riders weight (air can pressure) and the leverage of the frame. We'll see, my first ride feels pretty good over tree roots with my compression at 18 clicks. The new FIT4 damper assembly construction is lighter as well, with an average weight savings of 35 grams. 5" Replacement Valve Stack King Replacement Valve stack For 2. Perkins Builder Brothers Recommended for you. SACHS 48 mm FORK. Systems that use one or two shims deliver a harsh feel on high speed hits, unfortunately, many so-called high performance suspension designs use very few shims and/or only small holes to control damping forces. I was also looking forward to take the chance to do some much needed shim stack tuning on it Zum Vergrößern anklicken in case you are able to machine the adaptor (like I did) go with brass, not aluminium as material - way too soft - not worth it. shock shim stack valving chart fox radflo tuning tune rock. My rear compression is a good example. The numbered stacks that Fox gives are so basic it's not even funny, and all the numbers are for is nothing more than an identification of their given shim stack. The VVC, or Variable Valve Control, design utilized on the high-speed rebound acts to stiffen the valve instead of spring preload on the shim stack. Shop Fox shim valve disks, read our our Shock Tuning articles, and save with free shipping on orders over $150. 2020 FOX single-crown suspension forks receive an updated damper allowing greater tuning options, plus FOX adds an all-new bearing assembly for rear shocks. However just what is the "light tune"? The Manual says nothing about changing the compression stack. Short computational time, fully automated preprocessing, simulation and post processing may reduce the time for damper tuning drastically, enable investigations of tolerance influence on damper forces or application of numerical optimization for stack design, where millions of potential shim stack designs may be investigated to find the best. Two Stroke Tuning Maximise the potential power and efficiency of the engine. Moving the high-speed knob increases or decreases the surface area contacting the shim stack, which is essentially like adding or removing shims in the valve. It is the quantity, thickness, diameter and pattern that are defining parameters of shim stack design. For ALL models Sachs fork, we have a very good stock of the original OEM 7 mm I. Shimming an NMR Magnet G. (Remember that the shims are placed on the opposite side of the piston from the direction of travel. Ambidextrous custom upright, bolt-in replaceable spindle/bearing unit, camber adjustment via shim stack Front Brakes Brembo 6 piston forged caliper to suit Brembo 380mm, 53. Sparked had a really good thread about some DIY shim stack tuning on the shocks for the smaller bikes, so I wanted to start a similar thread for some discussion with the 610/630 guys. G3-LD Shock Gold Valve Kit. 0 shock rebound chart for the #60 series valving. Stack Shims allow up to 5 Length adjustments and 16 Thickness adjustments. A shock damper is disclosed. 2020 FOX single-crown suspension forks receive an updated damper allowing greater tuning options, plus FOX adds an all-new bearing assembly for rear shocks. At Teknik Motorsports we have developed several techniques to tweak your fork and rear shock to suit the way you ride your Yamaha WR. That is way better than just chucking shims on there with no idea what the effect will be. Our dampers are for the tinkerer, the rider whose eyes light up at the idea trying different shim configurations, and wants a fork that lets them easily get into the inner workings to tune away to. The piston ports are obviously a fixed size orifice, so they can't be tuned, unlike the shim stack, which is highly configurable with different combinations of shims. Can someone give an in depth description of DCC stack function theory? Any anecdotes regarding hard/soft stacks as it relates to clicker tuning would be helpful. Don't get this messed up. It would really be nice if someone who is doing another shim mod would do a more professional version. This is due to rebound damping having to resist the force of the spring, and because piston speeds are much slower. Instead of staking the nuts, Race Tech uses red Loc-tite and torques the nuts to 45 inch-pounds. Fox Float CTD/DPS Air Spring Volume Tuning Kit for 2013 or newer Float Shocks, 9mm Shaft RockShox 2011 Vivid Air R2C Piston Shim Stack High Tune Mfr Part #: 11. This makes the fork feel a little more supple at the beginning of the travel while still offering support when the going gets rough or steep. We fit the PUSH piston and configure PUSH shims to control the oil flow through the entire compression stroke, whilst taking into account your riding style and bike. 25) sum up to a shim factor of 94. This mod is really easy, no special tools are required, and accessing the shims can be done in about 5 mins with practice. If you are interested in upgrading your set of Works Suspension, or would like more information regarding the Dual Spring Works Forks, please call us at (951) 738-8050. You can increase the clamp shim 1mm since you are taking quite a bit of shim (3-17's) out and it makes a nice 2mm step down from shim to shim. If you revalve, stack thickness will only increase. The open chambers have there limit of user-ability but are still good forks once setup. 13 mm with his spacer or back-up shims being the 17. To test shim factors MxScandinavia replaced a stack of 14x40. Fork compression forces oil past these shims against the force of the spring - the amount of damping is determined by the number of the shims lifted off their seats by the oil pressure. Does Trail Labs do bike repair / maintenance? We specialize in the servicing, tuning, and repair of mountain bike suspension components, such as fork suspension, shocks, and seatposts (dropper posts). 1mm from the compression stack and added a 13x0. Rite will not only replace the stock shim stack with one's of his choosing, he will also replace the stock reservoir with a Fox unit that features Dual Speed Compression (DSC) adjustment knobs. This determines the maximum size to enlarge a port. The main factors are how heavy you are and how aggressive a rider you are, but after that there are all manner of other factors to take into account from terrain to weather conditions, and in the case of adventure bikes, how much luggage you are packing. Sportbikes tend to have a single stage stacks. 875 Shaft Shocks from Pacific Customs Unlimited your best source for Street, Off Road, Sandrail, Dune Buggy, Manx, Rock Crawler, Volksrod, or Mud Buggy VW Parts. Tech Tuesday - RockShox Vivid Air Tuning. Talking shim stacks with Jeremiah Boobar, aka Mr RockShox.