Keep track of our latest news and products by following us on social media! Jan 20, 2015. Performance Suspension Guide Find the base set up for your bike and optimize it for you. Use our spring rate calculator (available on the shock's page) to figure out which spring rate is best for you.If you are having trouble deciding between two different spring rates, consider this: A lower spring rate will have a more planted, supple feel, but will bottom out more easily on bigger . In conclusion, when purchasing a Fox steel spring, keep in mind . This is because 2.35 is the maximum useable stroke of the spring, and 2.0-2.25 is the ideal usable stroke of the spring. This tool is here to help you find a starting point. All standard steel springs are black and are marked with their spring rate in lbs/in (in 50 lb increments) and the total travel of the spring itself. Well when you consider the stock 4 cylinder spring was 370 to 400 lb rate (in the stock location), I don't feel 250 lbs for a coil over is bad. 2. A coilover with a 10" 225 lb. If you're seeking coilovers for a specific application like a Camaro, Tri-Five or C10 pickup, you may not need the Spring Rate Calculator Tool . allowing riders to take full advantage of their shock's rebound and compression adjustments by dialing in the spring rate and setting the correct suspension sag. spring rate is spring rate, only length is different. Fox SLS Spring 67mm/2.65' Stroke 159.95 inc VAT 250 lbs 275 lbs 300 lbs 325 lbs 350 lbs 375 lbs 400 lbs 425 lbs 450 lbs 475 lbs 500 lbs 550 lbs 600 lbs 650 lbs 700 lbs Your riding style, the weight of the bike itself (Ex: e-bike), and other variables can influence spring rate. We guarantee it! Rate increases are proportional to a DB Kitsuma Air air spring with (1) volume spacer installed. Open Ends. Jump to Latest Follow 1 - 20 of 28 Posts. * Do you have a Upper Shock Relocating Lift Kit? 1. I went back down to a 450lb spring once I added a high speed compression adjustment. A Fox Van RC with a Push upgrade from TFTuned on my 2018 Levo. Check out our offerings for dozens of applications HERE. We all want to get the best performance out of our drag vehicle, and a properly tuned drag race suspension enables the vehicle to . If it is compressed 4 inches you will see 1000 lbs of force and if it is fully compressed, say 8 inches, you will see 2000 lbs of force. Available in 50 in-lb. . The spring rate is the amount of force required to compress the spring over a set distance. If you have our lift kit or plan to run one, this will take 200 lbs. Total Riding Weight (pounds): The rider's weight with riding gear (average 5lbs for riding gear weight) Rear Weight Bias (percent): The standard formula is based on a 60:40, Rear to Front weight distribution. MRP Suspension - Mountain Bike Spring Rate Calculator. The rate of the spring you use in your DHX2 shock defines the amount of sag. Use these Coil Spring Rear Shock calculators to help find the spring rate for your bike. fox spring calculator ; coilover spring rate calculator ; garage door torsion spring calculator by weight ; spring energy calculator ; Categories Calculators Post navigation. The information contained in this tuning guide covers basic tuning procedures and has been greatly simplified to get you started in the right direction. FOX Spring Calculator Welche Feder passt in deinen Dmpfer? 1993 Cobra R: #240-260 Variable rate. 1/7/2021 8:52 AM. All you have to do is add your height, weight, and Specialized bike model, and you'll get . What model UTV do you have? Achtung! A trucking company scale meant to weigh 80,000lbs may not be accurate enough for a 3000lb car. Pivot to end of suspension arm or tire centerline (D2, D4, or D6) 5. Front End Weight: <1350 LBS. Quantity. Progression begins at 50% into the stroke of the spring. Coil-Over Spring Rates. The tf tuned calculator says i need a 300 but that seems too low. Genuine Fox steel spring for all Fox coil shocks. Stock Location Springs. Pay in 4 interest-free installments of $32.50 with. Title: 2017Susp_SpringRate_Fox Created Date: 9/15/2017 6:46:41 PM . Combined Spring Rate = (Spring Rate 'A' x Spring rate 'B') (Spring Rate 'A'+Spring Rate 'B') You should always find the closest spring rate available for your application. Reactions: Dee Scee. Excerpt - Official Ford Mustang 5.0 Technical Reference and Performance Handbook : 1979-1993 - Bentley Publishers - Repair Manuals and Automotive Books If this is a true . Use this valve spring calculation tool to enhance and fine tune your spring and cylinder head . I need another 50 to 75 pounds before I feel good about running this in the park, or doing . 450 - 500 lb/in. Correct spring rates and Race Tech Gold Valves will increase bottoming resistance and plushness over braking bumps, as well as square edged chop. Genuine Fox Coil Springs - SLS - Super Light Steel For Metric shocks 57.5-65mm Stroke, and Imperial shocks 2.5" Stroke. VALT. Steel springs are relatively inexpensive, but heavy. Spring rate refers to the amount of weight needed to compress a spring one inch. To work out which spring rate you need please use our spring calculator by clicking here. 1993 Cobra (GT): #160. Internal Diameter: 35 mm/1.385". Rear Weight Bias (percent): the standard formula is based on a 60:40, rear-to-front total weight distribution.A more accurate way would be to use a bathroom scale under the . Still very soft, around 33% sag. If you do not accept optional cookies below, your experience may be affected. fox body 12 or 14 "coil over springs. such as: spring rates, anti-roll-bar rates, vehicle weight distribution, tire sizes, tire pressures, suspension geometry, and track conditions. With vehicle at full droop: Measure shock shaft showing. Enter the value you want to convert Conversion results After you have entered in a value please select a conversion. aesthetic calculator icon. Fox Suspension Rear Shock Spring Rate Calculator J-Tech Suspension Spring Note: Cane Creek Valt springs (standard and progressive) will work on new Fox and Marzocchi coil shocks without a spring clip adapter. spring that is installed at 0 straight up and down (90 from the axle centerline) will support 1450 lbs. Calculated Spring Rate NOTE - Kerb Weight (curb weight or wet weight) is the total weight of a vehicle with standard equipment, all necessary operating consumables such as engine oil, transmission oil, coolant, brake fluid, and sometimes a full tank of fuel, while not loaded with either passengers or goods. Ddc6284 Member. 650 - 700 lb/in. It is a percentage of the overall spring rate used in calculating the spring tension for the specified turns of preload. 1984 1/2 - 1993 GT: #200-300 variable rate. Price/s include 15% tax (GST). Spring Rate Spring Rate = Static Load / Shock Ride Height. Enter your input parameters and click "Submit" to calculate your spring rate, or "Reset" to start over: Total Riding Weight (pounds): includes the rider and anything else added to the bike; e.g., lock, water bottles, etc. Request it here! Closed & Square. 86merc said: That is correct. This is based around a front sprung corner weight for the car of 800lbs. D. A great tool for figuring angles quickly is our part number 910-89409 from Deco. To work out which Fox spring you need to fit your shock please click on the link below and use the tables provided, if in any doubt please do not hesitate to contact us. Our Suspension Calculator makes setting up your suspension super easy. Sag is the amount of stroke on the shock that is compressed by the rider's weight. More info on how to use the F-O-A Spring Rate Calculator can be found here. If you already have springs, and want to make adjustments to your rates, see our article How to calculate new preload and springs by using existing springs. So for example, a 300lb/in spring will need 300lbs of force to move it 1 inch. Pivot to lower shock mount distance (D1, D3, or D5) 4. 3.25 is labeled as 3.5 or even 3.6 with certain spring rates. - Select the "Network" tab You'll see something like this (just leave it for the moment): It is easier to achieve handling and performance with a lower spring rate and a "stiff" stabilizer bar or shock. Ultra-durable black powder-coated steel spring for Bomber CR rear shocks - because nothing feels more buttery and lively than a tried-and-true coil shock! Oct 30, 2018 127 98 Saint Louis MO Ride 2019 Turbo Levo May 10, 2019 #3 Thanks! Desired droop travel. We cannot promise you accurate results ;) RIDER WEIGHT : Take into account your fully kitted weight, backpack, energy bar and all ! FOX Steel Rear Shock Spring 500x2.5-2.75" Stroke . To compute the effective corner weight, you start by finding how much the lowest spring compresses under the weight of the vehicle. The combination mentioned here is going to compress 5.33" at ride height (800lbs/150lbs/in). Beta Version. Another way to look at it is if the spring is compressed 1 inch you will measure 250 lbs of force. - Go to the CC spring calculator page (IL or CS depending on your shock) - Right click anywhere on the page and click on "Inspect Element", several panes will open at the bottom of your window. Spring calculating is not a perfect science. Titanium springs can represent a significant weight saving, but with a premium price tag. Spacers won't change the rate, a .44 is a .44 as long as you don't cut off any coils. But you will notice, the spring itself is marked with 2.35. Cart 0. . increments to perfectly dial in your ride. We strongly recommend researching suspension tuning Cart. Can't find your ride? haha I run a 12" 175# spring at the moment. Here are a few basics about spring-rate, sag and parameters that determine the spring rate you need. Progressive Rate VALT. . KTM's 250 SX-F has a very stiff front end for the average rider, so we suggest Hi-Performance Springs. Coil springs are available in many sizes and weight ratings Each are available separately and are not included with aftermarket . Finally, be sure to always consider a quality strut and shock set-up or maybe even go coil-over to maximize your tuning and adjustability. Calculators told me 550 to 575 for my Stumpjumper. spring rate calculator. Click here for our advanced calculator . range and a 100 lb. In this single spring and thus a single rate system, things are pretty simple and linear. Cycle the suspension until you get a stable pressure reading with the suspension at maximum . 1; 2 . The one on the right with more coils will have a slightly larger wire diameter than the one on the left and that's how they come out to the same rate with a different number of coils if they are both indeed .44kg. spring to support that weight! Closed & Ground. DVO will recommend a spring based on your bike and your weight. They fit right onto the damper body. Begin to choose your bike brand and model, at step 2 enter your weight and preferred sag. In both instances -- in fact all instances -- the formula to determine the spring rate remains the same. Solid Axle Rear Springs. RideTech has developed bolt-on coilover suspension systems that already includes correct rate springs. These coil-overs have been engineered for the Mustang II front end, so matching the vehicle's front end weight to the recommended spring rate is all that's needed. Double Closed Ends. Spring Length: Springs for coil shocks are rated using two numbers (you will see these stamped on the spring, e.g .450 X 2.25). Mountain Bike Spring Rate Calculator Measure twice buy once! I have a fox van performance coil rear shock that's a 9.5x3" and currently has a 500lb spring on it. 6. I ran out of spanner nut adjustment with the 14", went to the 12" and . Wheel Rate The new SLS springs from FOX are lighter than titanium springs at more affordable prices. ? This is the first of a three part series from Chris Alston's Chassisworks on tuning and calibrating for better drag race performance. Add 5% for a heavy rider (+200lbs.) This is usually measured in pounds per inch (lb/in) or occasionally Newtons per millimeter (N/mm). Note: Coil springs should always be paired with a shock that has less travel than the spring itself has free stroke. Trial run of our spring calculator, please send feedback to jono@thesuspensionlab.nz . The important parameters are: L = Free Length of The Unloaded Spring (m) G = Shear Modulus of Rigidity of Material d = Wire Diameter (m) D = Mean Diameter (m) For example, a spring with a 109 Rate and a 2.75" deflection, the load would be calculated as follows: Deflection = 2.75 109 = 300: Combined Spring Rate. They are lighter than titanium springs at more affordable prices. Started out with every clicker at 15 clicks out. You can do this by measuring or arithmetically. It adjusts base values by model. FOX SPRING RATE FOX SPRING RATE. Our springs are developed specifically for hlins shocks and and a large number of spring rates are available. MRP Spring Calculator. I'm 150 pounds fully kitted and like a 25% sag, what spring rate would be best for me? * It is nose heavy to say the least. 150# is the same for a 12" or 14" spring, apply 150# and they will both compress 1", unless they are a "progressive rate" spring. 1350-1525 LBS. Enter rider weight, bike weight and unsprung weights as well as bike geometry numbers to get the most accurate starting point for bike setup. The choice is yours - and will largely depend on your budget. This tool will help answer all your questions. Make sure the vehicle is loaded with driver, passenger, and cargo just like you will drive it or race it. and above for a more significant transition. Step 1 - Determine Sprung Weight Corner Weight: (1/2 the front or rear weight) Use an accurate racecar scale that will weigh each corner of your car. I'm 105 kg fully kitted and the sag is 30% with 1/2 turn of preload - Perfect ride! Spring Rate Calculator. QA1 also offers a bolt-in front coil-over for your street rod applications. A proprietary surface treatment and stress relief process removes residual . That same assembly, when installed at a 45 degree angle would need to be a 450 lb. Input Parameters Total Riding Weight (lbs) Rear Weight Bias (%) Rear Wheel Travel (in) Shock Stroke (in) Shock Sag (%) Preload Adjuster (n.n) End Coil Effect (%) Output Parameters Leverage Ratio (Travel/Stroke) heavier lower spring in the 100 to 300 lb. 325 - 375 lb/in. Total Wheel Travel (in) Sprung Weight of corner (lb.) Order Shock & Spring Kits here: https://www.wideopendesign.com/off-road/suspension/shock-and-spring-kits?utm_source=YouTube&utm_medium=Spring%20RatesNo Scale. The 35 mm/1.385" Internal diameter also fits DVO, MRP and X-Fusion shocks. Add to Cart. Redmond, Washington. Convert lbs/inch kg/mm Convert lbs/inch N/mm Convert kg/mm lbs/inch Convert kg/mm N/mm Convert N/mm lbs/inch Convert N/mm kg/mm Convert inches mm Convert mm inches Have a look at the below chart! The most common value is 'lbs per inch' or 'lb/in'. When in doubt, choose a lower spring rate. As with our Enduro SL springs, these springs are offered in a single free length per rate that fits most shocks from 200mm (7.875") to 230mm. 1984 1/2 - 1993 Standard base and Non V-8: #160. heaver spring for spring rates 400 lb. On my Reign SX I ran a 500lb spring on the Fox DHX shock and I am only 170lb. Calculate your suspension settings Input your fully equipped weight, select your model of Trek mountain bike, and we'll calculate your suggested suspension settings. 1. Front Springs. Choose Your End Type. RT Hi-Performance Springs. Remember these springs sit in the middle of the control arm so there is a lot of pressure/torque to compress them. But hey, getting the perfect setup is easier said than donewell, until now. (for my travel and spring rate of 450 #/in, Fox recommended 15-19 clicks out in their DHX2 tuning guide). Make sure that all of the damping adjustments are set to fully-open (see damping section below) prior to setting your sag. Step 1. Coil Spring Calculator . Definition: Spring rate, also known as spring constant, is the constant amount of force or spring rate of force it takes an extension or compression spring to travel an inch of distance or, in the metric system of measurement, a millimeter of distance. Definitions: G = 12,000,000 for steel springs (a constant) W = Diameter of the spring wire And just for comparison I have a 3700+# Capri (with me in it) a Dart Iron Eagle block, air to water intercooler, large 88mm turbo, a/c and power steering on the front of it. ASf/(spring free length x 0.25) = Firmer Spring Rate ASf/(spring free length x 0.30) = Softer Spring Rate Spring rate calculations for solid axle suspension are the same as above except the Force Ratio (Fr) = 1. orrection r (ACF) 98 96 94 91 87 82 77 71 I want something softer but still enough support for the bigger hits. Spring Calculator - TF Tuned are experts in mountain bike and bicycle suspension service and repair, including setting-up the for you and your bike Skip to main content Call +44 (0) 1373 826800 Mit dem FOX Springcalculator machen wir es dir einfacher die passende Federrate, umgangssprachlich auch Federhrte, zu finden. Learn more. Our suspension calculator makes suspension set up easier than it's ever been. How it works: This formula has been adjusted to work for all our springs kits for all models. * Yes No Spring Calculator Instructions. IRS Rear Springs. A higher spring rate will result in less sag. 2.5 is labeled as 2.80 on the spring. Then, to calculate the effective corner load, you multiply the compression distance by the spring rate. Personalize your setup It's all in the suspension. This is a complex spring rate calculator to determine front and rear spring rates for Trail and Enduro MTB. Determine the coil diameter. Take a click pen apart and take the spring off the ink tube and measure it or measure the coils on your mountain bike. Simply fill out this form and click the "calculate" button for immediate answers straight from our engineers! OFF your total number. While running the same spring top and bottom will still give you a transition, we recommend (if possible) a 50 lb. They have a calculator. How does the calculator work? Whether you're looking to improve the street performance of your Foxbody with a bit of a drop or maybe you want that perfect drag launch, be sure to do your research on which spring rate will work best for you. Calculator to help estimate the appropriate coil spring for your bike. The main advantage of Hi- Performance Springs is that . You will likely need a 500lb or higher spring, but I would start by calling up DVO first and asking them. The units of measurement of rate in the English System are, lbf/in . 4 seat/crew models use a different final "shifting" number. This is used when two springs are stacked on top of each other. $ 0.00 - $ 99.00. Bilstein Heavy Duty (HD) Series Spring Recommendations. Remember to cycle the suspension during the inflation process to allow the pressures on both sides of the spring to equalize. So if you are thinking of lowering your Foxbody by cutting your springs it is important to keep a few things in mind when it comes to spring rates and how they work. $20.00. Karsten . For example, a 250 pound-per-inch spring with 250 pounds resting upon it will compress 1 inch. . So, for a 400 lb/in spring, it would take 400 lb of force to compress it one inch, or 800 lb to. Loosen spring adjuster nut until springs start to rattle. Finance Calculator FAQ You might also be interested in: FOX Back-Up Ring 0.118 W X 1.491 OD X .047 TH 1.50 Bore . Three factors influence spring rate: Wire Diameter: This effects rate since a greater wire diameter is stronger than a smaller diameter wire. Only the numbers and shock spring rate change. This spring has 8 active coils and 10 total coils.

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