Fox fork pressure calculator

Fox fork pressure calculator. Nm. Shocks are measured by total length (eye-to-eye) and stroke (travel on the shock). 3” (160 mm) to 5" (130 mm) to 4” (100 mm), which are easily selected using the TALAS travel adjusting topcap on top of the left fork leg, shown below. FORK- 2015 40. FLOAT DPS EVOL and FLOAT DPX2 EVOL shocks have a maximum pressure of 350psi (24. Open the axle lever. Achieve comfort, control, and efficiency. VIDEOS. 63" or 600# x 41 mm, calculate the available preload by spring stroke minus shock stroke. 1. Front fork Low speed rebound 4 clicks, hi speed rebound = 3 clicks. Mar 31, 2015 · The 29 means this fork is designed for 29-inch wheels–a natural choice for XC riding. I did a complete rebuild of everything. Pump up the fork to the desired pressure and cycle it several times to check for proper operation. In Owner's Manuals, you will find important setup and usage details so you can maximize performance on the trail. 160 direct Post Mount, Up to 180 compatible. This allows the chambers to equalise, and it’s a crucial part of setting up your shock. Sounds like you had air in the positive chamber still when you removed the clip. Nope it can only be one of – ‘O’ ring in the top cap, the Schrader Add or remove air pressure until your sag measurement is between 15-20% of your forks total travel. part description. Note: With TALAS forks, always set sag at the highest TALAS travel setting. We’ll keep adding forks to the list, so if yours isn’t here, bear with us – it’ll be on its way… Select a fork Marzocchi 2003 RockShox Duke 2003 RockShox SID 2003 RockShox Pilot 2003 Fox Float ——————— The abundance of technical terms can seem overwhelming when it comes to setting up MTB suspension. topcaps. 1422g (34SC, 29, F-S, 120, Grip SL, Kabolt SL)*. Enhance your Riding Experience. The fork is linear or easy to use all the travel. The following charts reflect the corrected values. From your first time riding a suspension bike to a pro getting on a new bike, a new fork, or a new shock, everybody needs to perform this all-important ritual. Using your forks sag setting o-ring on the left upper tube (or temporarily install a zip tie to the upper tube), slide the o-ring (or zip tie) down Cycle your DrCV shock through at least 60% of its total travel by pushing down on the bikes saddle. Fork anD rear shoCk Controls FOX bicycle forks and rear shock controls consist of the following: • Red knobs control the adjustment of REBOUND damping. Start by setting the shock air pressure (psi) to match your weight in pounds. 5 Taper. Did it live up to the performance claims and marketing hype? Is Terralogic the next best thing since sliced bread? Read on to find out. If you have any doubt whether or not you can properly service your FOX product, then DO NOT attempt it. Gently dismount without letting the suspension get any stiffer. Use the FORK BUILDER below to see model configurations. If not, there are online resources such as Fox’s suspension pressure calculator. FORK- 2015 36 FLOAT 140mm-180mm and TALAS (up to 160mm) FORK- 2015 36 TALAS/VAN 170mm/180mm. LEAST AMOUNT OF REBOUND DAMPING, FORK REBOUNDS FASTEST MOST AMOUNT OF REBOUND DAMPING, FORK REBOUNDS SLOWEST CLOSED (CLOCKWISE) OPEN Attach a FOX High Pressure Pump to the Schrader valve. If that is not known, try 100psi. Removing the clip almost launched the air shaft at me. This will equalize the positive and negative air chambers and will change the pressure on the pump gauge. If the fork has no air pressure, the gauge will not register. If your shock has an EVOL air sleeve, you must cycle the shock after every 50psi addition while filling. I recently decided to try servicing it myself. rebound adjustment Measure the distance between the scraper lip and the o-ring or zip tie, and divide that by the total active travel of your shock or fork. The distance between the O-Ring and the dust seal is the amount of Sag. Here you will find information to help you setup, use, and service your FOX bike products. Kashima coated, lever actuated, and adjustable for any terrain. Rider Weight KG (LBS) Air Pressure (PSI) Crest SL 130mm. Tire pressure rear 24 - 28 PSI and front 22- 26 PSI. This is made more accessible by tilting the bike to one side. Install the fork crown race firmly at the top of your fork crown. Install the new fork on the bicycle using all of the headset parts. To begin, set your Crest SL fork air pressure according to your weight listed below. Setting Shock Air Pressure. Stop when the fork dives less and gives good support. Setting Compression damping on FOX Float DPS and Float X Rear Shocks 4. Refer to the Front Suspension Oil, Air, Coil, Token and Specifications document for coil spring recommendations based on rider weight. Before checking air pressure and sag, you’ll want to ensure that all of the damping adjustments are in their lightest, most open setting. 3) Solo Air and DebonAir only: Compress the fork through at least 50% of its travel five more times to equalize positive and negative air pressures. Sep 29, 2023 · The fork and shock’s rubber o-rings should be repositioned so that they are up against the sealing. 24. #JeffKendallWeed #Fox38 #ChangingFox38ForkTravelThe Fox 38 is an amazing mountain bike fork, and lucky for all of us, we can configure it for many different Fox Airshox Pressure Recommendations (psi) Revised June 2006. Grip2 Damper and NA2 Airspring. Red. preload/rebound knob screws. Increase the pressure by stroking the pump a few times. Calculate the separation in millimeters between the seals and the O-rings. Discover FLOAT X Bike Shocks, the ultimate shock for aggressive trail and enduro riders. The 2-Position Sweep Adjust (34 Rhythm forks only) lever is useful to Enhance your Riding Experience. Includes: (2) replacement valves/buttons. Follow our guide to learn how to change volume reducers on your 2020 Fox fork! To achieve the best performance from your FOX suspension, adjust the air pressure to attain your proper sag setting. Travel options and direction settings are printed directly on the topcap. Using your forks sag setting o-ring on the left upper tube (or temporarily install a zip tie to the upper tube), slide the o-ring (or zip tie) down Oct 9, 2017 · Fork is 2017 Performance Series 34 FLOAT 120 mm FIT4 3pos - ID C856 (Scott Spark 730 2017 27. Add or remove air pressure until your sag measurement is between 15-20% of your forks total travel. Left: Rear shock sag at 30%, Right: Fork Sag at 18%. . Setting Rebound damping on FOX Float DPS and Float X Rear Shocks 3. Sticking with the Hightower example, it features a 210 x 55 shock—55mm of stroke and 210mm of total length. uses cookies to improve your browsing experience on our website. The SID is lighter, at 1537 grams, but it also doesn't have Attach a FOX High Pressure Pump to the schrader valve. So if after a ride you find the zip tie/rubber ring right at the top of the fork leg, increase the air pressure by 5psi and try again. I have a 2021 Niner RIP with a FOX 36 FLOAT FACTORY GRIP 2 and have been dialing things in and just love the bike but we started out at 90 psi but I have been dropping it down to try to get use of its travel. 86. These charts will give you the best initial air pressure and rebound settings. Feb 25, 2021 · First up, setting sag. Welcome to the big time. When you add pressure to the shock, air from your shock pump fills the positive chamber. 5+ wheel, though clearly that’s not what this fork was designed for. Get monthly FOX updates straight to your inbox. 11. 2013 40 R (O/B R damper) 10wt. Optimized for 160-180mm of travel and packing the same revolutionary feature set as the 36, the 38 redefines what you think a long travel single crown fork is capable of, and sets a new benchmark for confidence, performance, and durability. Spesh recommendation after using their calculator, was 245 PSI for rear shock, and 103 PSI for forks. Be sure to read it closely including any tire size prefix or suffix such as a 'P' or 'LT'. (2) replacement crush washers. For example, if your target sag percentage is 25% and your rear shock active travel is two inches (~50 mm), your target sag setting May 23, 2023 · Fox 36 Fork Gets Negative Pressure When Weighted. Pour 5cc of FOX FLOAT Fluid on top of the air piston. With riding gear on, and an assistant holding the bike, stand on the pedals and compress the fork three times. These Fox Lower Leg Pressure Relief Valves (or buttons as some like to call it) are used to replace your damaged valves from your 2021+ Fox 36 or 38, or used to upgrade the 2021+ Fox 36/38 Performance Series forks that only have the blank plug installed in their ports. FORK- 2015 32mm/34mm FLOAT (and 831) FORK- 2015 32mm/34mm TALAS. Symptoms: Harsh over large bumps, but good over small ones. Sag Setup 101 | FOX Fox Factory Inc. B = The weight bias, or the percentage of your weight on the rear Jan 4, 2014 · You are aiming to use close to all the travel on the biggest hits. Attach a FOX High Pressure Pump to the Schrader valve. Sep 1, 2018 · In this example we use Fox’s 20% (32mm) “Plush” sag setting. To achieve the best performance from your FOX suspension, adjust the air pressure to attain your proper sag setting. Air Pressure (psi) Recommended Rebound Setting <100 Open (counter-clockwise) 100-120 11 120-140 10 140-160 9 160-180 8 180-200 7 200-220 6 220-240 5 240-260 4 260-280 3 280-300 Closed (clockwise) rebound ADJUSTment The rebound adjustment is dependent on the air pressure setting. ABSOLUTE LIGHTEST IN XC. FOX redefines ride dynamics for ATVs, mountain bikes, motocross, off-road Optional FOX 36/38 Mud Guard with sturdy 4-point direct-mount attachment. Changing Travel. 3, the most common steel grade for cold-drawn cylinder tubes, has a typical yield of ≥350 MPa, and 3 Suspension Oil and Grease *Boost **Suspension oil/fluid - Maxima PLUSH Dynamic Suspension Lube and RockShox 0w-30 suspension oils/fluids are forward and backward compatible with RockShox Dynamic Seal Grease and SRAM Butter Grease. Now that I've put a bunch of miles on it I am ready to post my final review. * Use the FORK BUILDER below to see model configurations. I found this to be the case with my fork. Note: It has been common practice for some time now to add app. Measure the gap, 20mm with a 100mm fork is 20% Sag. Setting Compression damping on FOX Float DPX2 Rear Shock 6. However, in the very near future we’ll also be testing this fork with a 27. Slide the axle through the non-drive side dropout and hub. Welcome to the Bike Help Center. Setting Rebound damping on FOX Float DPX2 Rear Shock 5. Nov 5, 2020 · In order to control your chassis from rolling toward the outside as you turn right, you’ll want to increase rebound damping so that these inside shocks resist extending and prevent the chassis from rolling toward the outside. Be careful not over-tighten the chuck, as it can damage the pump chuck seal. * Fork weights shown are at 165mm steerer length with star fangled nut and disc brake guide installed. 10% to the low pressure on the original charts when setting up a pair of shocks. We want you to get the most out of your Cannondale bike. The Specification sheets section highlights important dimensions of FOX products so you can check for 4 days ago · Recommended Air Pressure for Crest SL based on rider weight. If the shock does not fully extend, it Jan 15, 2020 · Changing the volume reducers in your suspension is an internal adjustment that allows you to change the amount of mid-stroke support and bottom-out resistance on your bike. Air Spring. Jul 14, 2021 · The regular Fox 34 sits in its own little niche when compared to what RockShox has to offer, slotting in between the SID and the Pike. 15QR Axle Installation: Wheel installation is identical for both the 15x100 mm and 15x110 mm 15QR axles. For forks with the FIT4 damper: make sure to set sag with 4 days ago · The Fox Suspension Calculator is a powerful tool that can help you find the perfect suspension configuration tailored to your needs and preferences. Like having a personal tuner in your pocket, the RockShox TrailHead app is the starting point to get your suspension dialed for the perfect ride. If you have a FLOAT CTD Remote shock, click the May 2, 2019 · The standard length of SR SUNTOUR suspension fork steerer tube is 255mm. 220. Turn the axle clockwise 5-6 complete turns into the axle nut. Sag range should be set to 15–20% of total fork travel. Symptoms: Excessive sag Amount a shock or fork compresses with the rider sitting on the bike in a normal riding position. When you need to go really big, reach for the 38. Air in the negative would give a suction effect, that's normal. Make sure to add the weight of your riding kit. Sag range should be set to 25-30% of total shock travel. ) Anyway, stay Add or remove air pressure until your sag measurement is between 15-20% of your forks total travel. Setting up FOX Float X2 Air 7. 5") Fox recommends 72 psi but I have found 52 psi to give 25%. Jun 29, 2011 · Back in March I post an On Test article where I covered the technology and specifications of the 100mm Fox F29 Terralogic suspension fork. With the calculator below you can change the PSI (in the white box) and it will calculate what the 20% sag would be with no volume spacers. Slide your shocks sag setting o-ring up against the shock dust wiper. LONG-TRAVEL ENDURO SPECIALIST. Steerer. Go ride. Solutions: Reduce compression damping. Turn your rebound knob to the closed position, clockwise until it stops. You’re done. Because all bikes are different, they require different setups. When setting up your fork, wind the compression adjusters at the top of the fork anti-clockwise until they stop. Setting up FOX Float air fork pressure 8. My bike is fitted with a Rock Skox Sektor (130mm travel) Apr 24, 2021 · THE ONLINE MTB TYRE PRESSURE CALCULATOR. It then transfers the 20% sag to the columns with additional volume spacers recalculating the pressure at 0, 40, 60, 80 and 100% travel for Choose a fork and your weight and the recommended air pressure will pop up in a little box. Damping – All suspension (forks and rear shocks) has two basic components, a spring and a damper. 24. At under 1300g, the 32 Step-Cast is the lightest MTB fork and made for marathon racing. Use a crown race setter to install the crown race firmly against the top of the crown. Their 34 Float forks arrive with five green spacers factory installed ( see RideFox bottom of page ). Select NEW Tire. Damper-side oil bath. Sag is the amount your suspension compresses under your weight and riding gear. Damping is what controls your suspension by adjusting If the spring is marked as in 600# x 1. 2015 Manuals. Reattach the fork assembly (headset, spacer, handlebar stem) to the bicycle. Open all the adjusters. 50. Available in 100mm travel only. 250. This is the lightest and most open setting. 1 bar) NOTE: Pressure measured at an ambient temperature of 70-75ËšF. SHOP FOX. When I took it apart, there was a lot of pressure in the negative chamber. LEAST AMOUNT OF REBOUND DAMPING, FORK REBOUNDS FASTEST MOST AMOUNT OF REBOUND DAMPING, FORK REBOUNDS SLOWEST CLOSED (CLOCKWISE) OPEN If the shock body retracts into the air sleeve near bottom-out after the air is slowly released from the positive chamber, attach a FOX high pressure pump and pressurize the shock to 250 psi/ 17 bar). Causes: Compression damping too high. Caution! Be careful! Although you may be well within limits for avoiding coil binding, using excessive preload will overly stress the shock, leading to possible premature failure. Make a note of the optimised pressure. SHOP NOW. DAMPING; FORK COMPRESSION LIGHTEST FIRMEST MOST AMOUNT GRIP COMPRESSION ADJUST The 3-Position Micro Adjust lever is useful to make on-the-fly adjustments to control fork performance. Pump your fork to the appropriate pressure as listed in the 'Suggested starting points for setting sag' table below, then remove the pump. As you ride and get used to your new fork, you can adjust your air pressure for appropriate sag as needed. torque value. Front suspension coil springs are available in a number of spring rates ranging from soft to extra firm. Re-install the blue air cap. Suspension Setup - Santa Cruz Bicycles VDOM From here, either lower handlebar height by 5-10 mm and/or increase shock pressure by +5 psi from baseline and/or decrease fork pressure by 2-5 psi from baseline. Repeat steps 4-8 and recheck sag measurement. The 2-Position Sweep Adjust (36 Rhythm forks only) lever is useful to make on-the-fly adjustments to control fork performance. The Specification sheets section highlights important dimensions of FOX products so you can check for Anyway, the air pressure is above the air piston, well away from the crush washers, they just seal the oil in the lowers. Jan 12, 2024 · Tokens and Air Pressure: For used forks, it's crucial to inspect the tokens inside; new forks skip this step. When sag measurement is correct, screw the air cap on clockwise until snug. Remove pressure from the fork 5 psi at a time and repeat the trail. Rear X2 shock = rebound 3 clicks, compression 11 clicks. Rider Weight. Turn the fork right side up. 2. Fox recommends a specific number of tokens based on the fork's travel to start with. Jun 14, 2019 · Add pressure to the suspension fork 5 psi at a time and repeat the trail. Rotate the CTD lever to the Descend mode (fully counter-clockwise). Turning a red FOX rebound knob clockwise will increase rebound damping, thus slowing damper return speed after compression. Spring-side oil bath. REGISTER. Use your air pressure to find your rebound setting. For example, higher air pressures require slower rebound settings. SUBSCRIBE. Connect the pump by threading the chuck onto the Schrader valve until the pump gauge registers pressure. Please go to a Cannondale Dealer if you have questions. If the suspension fork feels harsh over small bumps and lacks grip Your fork air spring rate is too high. It may be necessary to shorten the steerer tube to the correct length. Mark the steerer tube with a scribe at the top edge of the stem. Install the headset spacers (these might not be required) and stem on the steerer, and lightly tighten the stem clamp bolt (s). (Fox did design their latest fork for 27. Unscrew the black air cap to expose the schrader valve. With the air pump attached to the shock valve, slowly cycle your shock through 25% of its travel 10 times as you reach your desired pressure. Use a flat blade 32mm socket or a specialized tool to remove the top cap. In the rear, its often recommended between 25 and 30% Sag. Setting sag is your starting point in bike suspension setup. This takes about 6 turns. Re-install the topcap and torque to 165 in-lbs. I used Push Industries low friction dust wipers. Sag is how far into your bike’s suspension Jul 28, 2023 · A pressure indicator is often available on the suspension’s stanchion. 36 TALAS forks feature three externally adjustable travel choices from 6. topcap to damper shaft insert. Then turn it counter-clockwise to the number of clicks shown in the table below. Suggested Starting Points for Setting Sag- 36mm FLOAT and Rhythm Forks. Normal operating temperature range for FOX products is 20-140ËšF. Use the positions between OPEN and FIRM modes to fine-tune your compression damping. Here are some details on how to use this calculator. In this video we'll show you how easy it is!What you'll need:F Jun 23, 2014 · Has anyone used the Trek calculator? Any idea how accurate it is? For me it's showing a very high rear shock pressure (I have always been on RS and have never set a Fox fork/shock). 8. To best maintain the performance and durability of your product under normal use, FOX recommends that you have regular fork and shock maintenance performed according to the service intervals. May 8, 2021 · Fox Fork air pressure. I just rebuilt my 2019 Fox 36 Factory Fork. 75. Attach a FOX High Pressure Pump to the schrader valve. Suggested Starting Points for Setting Sag- 40mm FLOAT Forks. Compress the shock 10-20% into its travel however, and the main seal head passes over a small notch in the air can. 5+, with an extra dose of travel for good measure. May 24, 2024 · Optimize your biking experience with the RockShox Suspension Calculator. 54-59 (120-130) Dec 13, 2021 · Rockyw said: Weight is 90 kilos. Repeat steps 2-8 and recheck sag measurement. We then cross-referenced the data from top tire manufacturers with our own real-life riding experience Suspension Setup. Starting Weight. Lubricate the o-ring on the air topcap with FOX FLOAT Fluid. Start by setting the shock air pressure (psi) to match you weight in pounds. This tool calculates the ideal air pressure based on 30% of your body weight. FLOAT EVOL. Take care to dismount your bike without bouncing or shifting your weight forwards or backwards. to control fork performance. Front suspension air pressure recommendations listed on the back of your fork, and at RockShox Trailhead, are suggestions for initial spring setup. SHOCK- 2015 All Air Shocks (FLOAT CTD/FLOAT X CTD) SHOCK- 2015 All Coil (DHX RC4/RC2 & VAN R/RC) Solutions: More air pressure or stiffer coils springs; increase compression damping. Reference your vehicles placard inside of your driver's side door jamb. Remove the pump. This calculator allows you to quickly estimate max allowable pressure for a cylinder tube or a pipe (when you know what material it is made of). That was the difference of the charts versus the values derived from using the formulas. Now think about this in terms of acceleration squat: the front shocks extend, but the back shocks compress. Start with the recommended air pressure for your weight. A suspension specialist, in your pocket. Use the positions between the OPEN, MEDIUM, and FIRM modes to fine-tune your compression damping. With a sleek reverse arch, this fork also gains 40% stiffness over its predecessor. So far I'm down to 74 psi and am still only seeing around 120 mm on biggest hits. If it’s a longer fork for light trail use, 25% can work well. in-lb. Setting up your suspension properly is the best way to ensure maximum fun is had by all. Install the front wheel into the fork dropouts. 47. OPEN Unscrew the blue air cap on top of the left fork leg counter-clockwise to expose the Schrader valve. Do not compress the suspension with the pump attached. Feb 24, 2022 · Spring rate in lb/in = W*B*L^2/ (T*S), where: W = Your riding weight in pounds. It uses two generally accepted formulae - the Barlow's and the Lame's. This is the measurement of your sag. MADE FOR MARATHON. WARNING: FOX products should be serviced by a qualified bicycle service technician, in accordance with FOX specifications. The 2-Position Sweep Adjust (36 Rhythm forks only) lever is useful to Everything you need to know about general safety and installation of your fork. For your reference: the ST52. New seals, went to the longer 170mm air shaft (coming from 160mm) as well, and put on a Luftkappe. 1929g (36, 29, F-S, 160, Grip X, Kabolt X)*. If your fork bottoms out or feels super harsh, you might need to add or remove volume spacers. Turning a red FOX rebound knob counter-clockwise will decrease Oct 13, 2020 · I've got a 2018 Fox 36. Elevate your ride today! We couldn’t find the page you were looking for. Luckily, Doddy has had a lot of practice! So here's his gu SERVICE INTERVALS ». Select the correct 'Tire Type' from the drop down, then enter your OEM tire size, load rating, and pressure listed on the card. FOX redefines ride dynamics for ATVs, mountain bikes, motocross, off-road vehicles, snowmobiles, trucks, and UTVs. While making this MTB tire calculator we took into account the most most common factors: rider weight, tire diameter, rider experience, tire width, tubeless/tubes, terrain roughness, and riding type. bo ga br po qb qh is cw kv wu