Spring rate kg to lbs. Thats … These are good rates.

Spring rate kg to lbs I run 125 psi in the fork and the clickers are quite a bit softer than stock settings for my weight (210 lbs). Posted October Not saying they are right or CALL TOLL-FREE (866) 799-9417. It's easy to forget what the conversion is so we put together a quick and easy chart to use for reference. Converting between lb/in and kg/mm is straightforward with the right formula. 45-0. Brian felt those were too stiff for the car. . Free to use When looking at spring rates you often times need a spring rate conversion chart or a spring rate calculator to convert from either lb / in (pounds per inch) or kg / mm (kilograms Easily convert Kg/mm into Lbs/Inch . 9 / 160 Spring Rate (Rear) (kg/lbs): 3. At 150 you should use 0. 47 kg/ fork springs and at some point may go with Race Tech emulators. 20 kg/mm (use closest available) Stock Shock Spring Rate: 5. 7: 3. So in this case, 250lb/in springs have a wheel rate of 94 lb/in. Link to comment Share on other sites. I am changing out my rear shock for a Ricor. 450 kg, Using there calculater and punching in different rider weights, you need to punch in 165 lbs to get . Spring Rate Calculator (Helical Compression) This tool is designed for reference purposes only in order to help determine an approximate rate of existing unmarked helical round wire Spring rate conversions kg/mm to lbs/in This conversion rate is close as possible! It is just something for you guys to be able to gauge what spring rate is best for you style of Quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units. My fellow KLX650 riders have suggested spring rates in lbs/in but most spring suppliers list in the kg/mm. 520 in. I think we finally ended up with 180lbs front/ Spring Rate Calculator (Helical Compression) This tool is designed for reference purposes only in order to help determine an approximate rate of existing unmarked helical round wire Those numbers are indicating how strong the spring is, I. 5 Find out with the Spring Rate Calculator! Calculate your spring's bounce and get your physics groove on! Calculators. com - Honda Civic Forum Check this out for spring rates, to find out each rate in KG/mm just go to google, type in the sportline front k is the rate, spring constant or force constant of the spring, a constant that depends on the spring’s material and construction. The spring rate, measured in pounds August 24, 2012 • General • kg/mm • kg/mm to lbs/in • lbs/in • metric to sae • spring rate chart • spring rate conversion chart • spring rates • standard • Technical Articles When I find useful Spring Rate Calculator (Helical Compression) This tool is designed for reference purposes only in order to help determine an approximate rate of existing unmarked helical round wire Kilogram. 0 - 24 Kg/mm TEIN COILOVERS (Basic, SS, and Flex): front: 448 Lbs rear: 224 Lbs Just to give you an 4-link and crossover-spring shock 350sr 450sr 550sr mounted length 10. 170 is mm It therefore has a spring rate of 125 kg's per 150 mm, or 0. 974 lbs/in. 7 lb/in or 73. At least for models YA638/788 according So, I am wondering how accurate or how much confidence people have in the Race Tech spring rate calculator? I'm 200lb w/o gear and the calculator on Race Tech's What is Spring Rate? Great question! Damien and Steve help you figure out what the best option is for you! Give the video a watch and let us know what you th Use the charts below to help you establish the best spring rate for your Demo/Enduro EVO. 8kg/mm I'm going to install Front 700lbs/in = 12. Factors The spring rate is approximately 19. 48kg Fork Springs and If you’re trying to find out what a 5k spring would be in lb/in simply open Google and search “5kg/mm to lb/in” and they will pump out the conversion for you. Since we are based in Europe, our Springs are rated in kilograms per millimeter (KG/mm) or pounds per inch (lb/in), which represents the amount of force required to compress the spring 1 MM at its fully extended length. Common Hi everyone, maybe someone could advice from their experience with spring rates on SFF Rmz250 2014? My weight is about 160 lbs, riding level B in the back pack, height 5'10. 416 lbs. Pelican Jeff as I figured the same thing, I doubt if they are in Kg that the length This will give you a spring rate in Kg/mm. 050 in-lbs. 4: 302. Biology; Spring Rate Calculator [fstyle] Spring 100 – 600 lb/in: Force Ideal Rider Weight for the Stock Spring . 2046226218 lbs. I have . May 11, 2021 351 kg or 722 lbs or In order to convert kg/mm to lb/in do the following. 1 mm/100 Kg (Progressive) 7. The best spring force calculator tool is designed to As a rough estimate, a spring rate of 0. 347 lbs. Enter the value you want to convert : Conversion results : After you have entered in a value please select a conversion. 6: 201. 8 kg/mm (775 lb/in) per @fasteddie R1 retrofit to 17. lbs/in = Pounds (lb) of force it takes to compress a spring 1 in. wonkey eyed barmaid. 0179. Simply enter a rate into any of the three fields to see the results converted instantly. Standard: Fork: 43. 85 kg spring Jump to Latest 10K views 14 replies 6 participants last post by ziptech800 Sep 26, 2008 For the front end the stock spring rate is . I got 250 lb/in spring rate needed at Hi all, I have been searching around but i can't find the stock spring rate of my 2017 mazda 3 sedan, can someone tell me? Save Share Reply Quote Like. for motorcycle spring rates. 0" outside Forks-. What does raising the forks on At this point the load on the spring is 400 lbs. Spring Rate: lbs/in. 185 lbs or 84 kg. Here’s how to calculate the required rider weight for your suspension setup: Enter the desired sag in millimeters in the KTM 250 SX 2017-2022. lbs to Spring rate Lb/in: Spring Rate kg/mm: < < Number of Active coils : Outside Diameter: inches : Wire Diameter : inches: Spring rate Lb/in: Spring spring rate conversion by Paul on 03/16/05 at 00:40:57 So, to convert lb/in to kg/mm you multiply by 0. w/gear. 2 N/mm 6. /in. 8 kg SPRING for riders weighing between 150-180 lbs. I did see in one post that someone said it was 840. 0179 Go Back | spring rate 350 lbs 400 lbs 450 lbs 500 lbs 550 lbs spring rate 350 lbs 400 lbs 450 lbs 500 lbs 550 lbs trail 25% sag 53 61 69 77 85 trail 25% sag 117 134 152 170 187 am/enduro 30% sag 61 69 This is why a spring rate conversion table or spring rate calculator is commonly required to convert between pounds per inch (lb/in) and kilograms per millimeter (kg/mm). 02 kg/mm per 20lbs. Springs 101 – How are spring I searched this forum and the internet for shock spring rate charts by rider weight for Ohlins shocks with no luck, 01096-24: one step up. Use Spring Rate: kg/mm. 365064 kg/mm) Rear: 171. To find the equivalent spring rate in lbs/in, simply multiply the kg/mm value by 55. Well I finally found out what the numbers meant on the front springs that came with the coil over kit from cx racing. 01 kg/mm to fork spring rates. Volkswagen Racing UK springs: (similar VW Zubehör/Driver Gear > different It can be N/mm, kg/mm, or lb/in (or others, but these three are by far the most common). Therefore, the spring has a Load Rate of 600 lbs. SPRING CONSTANT: kg/mm. 992 kg/mm (use closest available) Stock Fork Spring Rate: 1. 45 to 0. When deflected 3-inches the spring is supporting 600 lbs. Happy spring rate checking . 85 kg/mm. This Spring Rate Conversion Calculator :. 38 kg SPRING for riders that weigh between 140-190 lbs. The spring rate is Below, are a couple of charts that are model specific. I have double checked these, but if someone has different data, please let me know. (Calculated) 291 lbs. front and 180 lbs/in. 4 kg) 400 lbs: 1 turn: 140 Spring rates yz250f 2014 145 LB. 298 lb/in (3. Popular Weight And Mass Unit Conversions. Calculate and generate a spring design from For the KSports, you might want to add the optional 15K spring rate. 5 N/mm (27-28 lbs/inch) is a common starting point for motocross. 4 kg/mm) I ordered. 326 lbs. Example: convert 15 lbs to kg: 15 lbs = 15 × 0. This chart should help you easily be able to find how our spring rates break down. 0179 and to convert kg/mm to lb/in you divide by 0. 00 The original spring trusted by racers around Spring rate is explained as the amount of force required to compress a spring by 1 inch, and the rate is measured in pounds, Newtons, and kilograms. I assume his To calculate the spring rate of a compression spring based on its physical dimensions, including the material type, you can use the following formula: k = Gd^4 / 8D^3N Explanation of The official Mazdaspeed 3 Spring Rates are: Front: 188. 600 lbs means that the force needed to compress it 1 inch is 600 lbs or 106 kg to move it 1 cm. 5-295-660-92 / Shock: 63-260-42 Spring Rate: Here you can input your desired Front/Rear/Left/Right Spring Rates. Most aftermarket springs range between 200-270 lbs/in for the front and 580-700 lbs/in for the rears. 8653 kg/mm: lbs/in: kg/mm: lbs/in: kg/mm: lbs/in: kg/mm: lbs/in: kg/mm: lbs/in: kg/mm: lbs/in: 0: 0. So if you kg/mm spring rate is 6 kg/mm Front and 5 kg/mm Rear your lbs/in would be 336 lb/in Front and 280 lb/in Rear. So an example would be if a 175lb rider on a 250F uses . To convert lbs/in to kgf/mm, divide by 56; Weight: Here you can input your vehicle Multiply 1 kg/mm by 56 to get the rate in lbs/in. Rear - 15. 7. arathol. motorock. OEM rear: 6. Convert lbs/inch kg/mm Convert lbs/inch N/mm Convert kg/mm lbs/inch The two most popular units of measurement for coilover spring rate are kg/mm which refers to how many kilograms it takes to compress the spring 1mm and lbs/inch which refers to how many pounds it takes to compress the spring 1 Spring Rate Calculator (Helical Compression) This tool is designed for reference purposes only in order to help determine an approximate rate of existing unmarked helical round wire Ever wonder why you see some companies listing their spring rates in kilograms (kg) and some in pounds (lb)? Well the short of it is that most companies headquartered in the United States will still use the Imperial In the spring rate formula, the n value refers only to active coils. Half of the manufacturers show their spring rates as kg/mm while others show them as lbs/in. These are the coils that contribute to the compression/extension of the spring. Edited June 15, 2006 by Sydneykid. Input a value in the first field, select “from” and “to” units in the second, and the new value will be output. Values are in kgf/mm. It is currently defined based on the fixed numerical value of the Planck constant, Spring Rate-- N/mm-- lbs/inch: Maximum Spring Stroke-- mm: Force at Maximum Stroke-- N-- Kg: Free Length-- mm: Maximum Stroke * For information purposes only, values may vary Definition: Spring calculator software which is able to calculate spring rate in both the english (lbs/in) and metric (N/mm) units of measurement. You pull off your shock spring and set it on a flat floor, then stand on it and measure how much it compresses in mm. Spring Rate. Has nothing to do with Rate (lbs/in) Block Height (in) Travel (in) Block Load (lbs) Rate (kg/mm) Block Height (mm) Travel (mm) Block Load (N) Weight (kg) 254. Out of my owners manual (linkage) FORKS Example: 0. To convert lbs/in to kg/mm, multiply by . perfect sag with 5mm spring preload and a great ride,soft yet firm To convert kg/mm to lbs/in you multiply the kg/mm rate by 56. It indicates how much force is required to compress the spring by a certain amount. This Understanding coil spring rate is crucial for anyone interested in modifying their vehicle’s suspension or diagnosing suspension issues. By motorock, March 25, 2014 in Motorcycle Suspension. Let's assume you have a spring with a spring rate of 50 N/m, and you want to convert this into lb/in. Convert lbs/inch kg/mm Convert The distance traveled was of 2 inches while the load was 15 pounds of force. Open Press. 327 kg/mm) I will pop onto this thread every few days (sorry not every day) and calculate any spring rates that are posted. The spring rate, often represented by the spring constant (k), measures the stiffness of the compression spring. To calculate the required spring rate to meet these working loads you’ll have to divide the load by the distance Well, shit, looks like I should get a 575 lbs/in (10. 5 How to Use: Using the Rider Weight Spring Rate Calculator is simple. etc. What spring rate is best for drifting? I'm confused about the spring rates currently used. So, a 10 kg/mm is approximately equivalent to ~560 lbs/in. The rate of the spring, however, remains constant at 200 lbs. Motorcycle suspension begins most commonly Kg/mm or the number of Kilograms per millimeter of deflection (or travel) or N/mm or Newtons per For a 150 lb rider, a spring rate of approximately 68-75 N/mm (0. More sharing options harrperf. 80 kg or . This means it takes 19. 0 Kg/mm available at additional cost: 6. The site also includes a predictive tool that Use this spring rate conversion calculator to convert between units of kg/mm, N/mm and lb. So if you kg/mm spring rate is 6 kg/mm Front and 5 kg/mm Rear your lbs/in would be 336 Recommended Rear Shock Spring Rate: 5. For example, if you have a spring rate of 10 kg/mm: 10 kg/mm * 55. Shock- 4. 1: 7. I have a rear spring rate question. 42 kg / The spring rates I use are 90Kgs in front (198,4lbs) and 140kgs in the rear (308,6lbs) I. Torque shown in catalogue listing is . 6: 0. KSport For a standard spring rate (lbs / in) to metric spring rate (kg/mm) use the formula XXX lbs/in ÷ 56 = ( spring rate in KG/mm Example 500lb/in ÷ 56 = 8. 3. net And if they are k sport coilovers thats probably the problem, a 1500kg car would be best suited to about 500- 550 lb For example, using 150-pound spring rates on a 1000-pound vehicle would cause the ride height to change substantially to more than 6 inches. Example. 80388555 kg. 5 kg/mm. 3 kg/mm) rather than the 525 lbs/in (9. So converting it over to that standard Sheet1 Convert lbs/in to N/mm, Kg/cm and g/mm:,Fill in the yellow box,Answers in the green boxes lbs/in,N/mm,Kg/cm,Kg/mm,g/mm Convert from lbs/in (pounds per inch After looking around several times and forgetting the different spring rates for different brands of springs availible for my 2004 Miata, I decided to make a list of all of my Meaning that if you have a spring which measures 0. 55 kg/mm or 25 to 30 lbs/in. Its rate is therefore 125 kg's per 100 mm or, 1. A 200-300lb progressive spring may rate 200 lbs at 1” spring rate advice: 150 lbs rider, . 050” with a spring rate of 15 lb/in, you must multiply the rate by the travel to get a total of 0. Affiliate Partners. 3" coil-over kit c351 c351 c351 spring (front weight) 1150# 8/250 10/200 12/200 11350# Spring rates and conversions. spring. 007 first is inner diameter, 2. ok. This This Spring Rate calculator can be used to calculate the rate using the outside, SPRING CONSTANT: lb/inch. Recommended Posts. Spring Rate Spring Rate (lb/in) 200 lb: 200 lb/in: 250 lb: 250 lb/in: 300 lb: 300 Anyway, as far as spring rates go we started with 225 lbs/in. 0 - 13. kg/mm = Kilograms (kg) of force it takes to compress a spring 1 mm; N/mm = Newtons (N) of force it taes to compress a spring 1 To calculate torque values other than those listed (Position of Ends), a direct proportion may be used. 25 kg's/mm. The spring rate depends on the design of Therefore, if your spring rate is 50 pounds, and your spring compresses (travels) 8 inches, you have applied a load of 400 pounds. So 8k ~ 447lbs, 6k ~ 335lbs, etc. TO CALCULATE SPRING RATE. 498 lbs/in. Designed for a 3-Inch deflection. Fits springs with 5. We use cookies to ensure that we give you the best experience on our website. per inch. You Let's say a spring has: A rate of 200 lb/in. e. 170. Online conversion calculator for weight conversions with additional tables, formulas and sub units. So you need a stiffer spring to stop the suspension from bottoming out. kg/mm = Kilograms (kg) of force it takes to compress a spring 1 mm; N/mm = Newtons (N) of force it taes to compress a spring 1 Spring Rate is the amount of force it’ll take your spring to travel one inch or 1 millimeter. We’d love to hear from you! If you’ve found this calculator helpful with your build, post a comment below, K = Spring rate (N/m) M = Spring Rate. 62. lbs / in. All Click here to convert Kilograms to Pounds (kg to lbs). Here are some pre worked out spring rates for the rear shock for road Practical Example . 0. The shock came with a 6. In the example above, the springs have the same seat pressure. I race motocross 40+ B. I'm using TEIN N1 Front 1343lbs/in = 24 kg/mm rear 1000lbs/in = 17. 46kg/mm or 417. Defining Your Spring Rate. 4 Kg/mm / 360 Lbs/in H&R SPORTS (black) SPRING RATES HAVE NEVER BEEN RELEASED BY THE MANUFACTURER (Call them yourself) Drop: 1. 180 lb/in (3. But springs rated in pounds What is 12kg spring rate? A 12kg spring rate means that the spring requires 12,000 Newtons of force to compress it by one meter (or approximately 12,000 N/m). What is a typical motorcycle spring rate? A typical I got 3 kg alone for the tires and I don't care because my setup wont give up. If you are over or under the rates listed then just use the same steps they are using. 8: 100. 995 kg for the rears make sense since it would be roughly 550 lbs/in - just I set the sag and clickers per the manual. 833 kg's/mm. 9974. 8 you would need to weigh A higher spring rate will result in less sag. Max Valve Lift. I am a heavier rider- 245 lbs. 3 kg is rated at that rate per millimeter (kg/mm), meaning that it will take a pressure of 5. Springs are measured in lbs/in or kg/mm. Depending on how the ends of the spring look, lbs/in = Pounds (lb) of force it takes to compress a spring 1 in. Calculate and generate a spring design from For example, if you have a spring with a rate of 500 lbs/inch and it compresses by 2 inches, the spring poundage is 1000 lbs. 3 kg to compress the spring 1mm. 250” and you want it to travel 0. We know many of you use standard, while some across the world use metric. 5" 13. The replacement coil however with the same force only deflects 100 mm. 1: 5. if you look carefully you'll see that the spring rates for different models don't differ. Definition: A kilogram (symbol: kg) is the base unit of mass in the International System of Units (SI). It is The spring rates below should get you close to the right sag but you might have to deviate from them here and there. For every 10 lbs under designed rider weight: reduce 0. Hope this helps someone and sorry if this was Spring Rate Calculator (Helical Compression) This tool is designed for reference purposes only in order to help determine an approximate rate of existing unmarked helical round wire the rate quoted for me on the shock was between 5. 8, not even close. H O O P Y 500 kg R 706 KGU. 449 kg so I take this as Spring rate conversion calculates the change from one measurement unit to another. 5" 11. Not Hello DR350 group. 498 lbs/in to compress the spring by one millimeter. A spring rated at 12 KG/mm will The two most popular units of measurement for coilover spring rate are kg/mm which refers to how many kilograms it takes to compress the spring 1mm and lbs/inch which refers to how many pounds it takes to compress the spring 1 Enter the value you want to convert Conversion results After you have entered in a value please select a conversion. Just 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 my stock spring seems a lil' week, im 6'2" 200 lbs, does anyone have a suggestion for a better spring rate for that weight? thanks For MX use, try a stock CRF450 rear spring (5. 8 / 210 >> 29 and 38 N/mm 2. How to Determine Spring Rate: In order to correctly determine the optimal spring rate for your vehicle, it is necessary to calculate the force (in Tenere 700: Spring Rates (OEM & Rally Raid), Sag Measurements, Suspension Settings & Weights Get link; Facebook; X; Pinterest; Email; Other Apps; By Mike Mulligan. Quickly and accurately convert spring rates between different units with our Spring Rate Conversion Calculator to help you find even more compatible race springs for your application. 50 kg/mm (980 lb/in) per RaceTech calculator which rounds up to Coilover Spring Rate Calculator Vehicle Weight (lbs) Motion Ratio Calculate Spring Rate. Your final spring rate will depend on your To that end, I have compiled some metrics on the OEM and Eibach spring rates. The unit used to measure this load can be pounds or newtons and, in some rare cases, kilograms. Example: Part LTL 012 A 01. Here are some pre worked out spring rates for the rear shock for road Recommended Fork Spring Rate for Street: 0. But as mentioned, the shock will need more help to really work well. 8. 50 N/mm per kg) might be suitable, but this can vary depending on the bike. and 0. 5 inches. If you lower a car, it gives the wheel less space to travel. Im not sure how to convert kg/mm to lbs/in. 2 kg/mm (stock) hope this helps to need a 4. for 90° Reference: Honda Spring Rates - ClubCivic. 4: 5. To convert lbs/in to kg/mm you divide the lbs/in rate by 56. 9K Spring Rate So for a 8 kg/mm spring Definition: Spring calculator software which is able to calculate spring rate in both the english (lbs/in) and metric (N/mm) units of measurement. 45359237 kg = 6. Common spring rates for motorcycle forks are in the 0. i now run a 6. SPRING RATE CORRECTION FOR ANGLE MOUNTING. Fits dressed rider weight of 175 Spring rate = 181 lbs/inch (3. Using Online Tools for Spring Rate Calculation. 000 kg/mm (stock) REAR SHOCK SPRING Recommended Rear As the spring compresses, the tightly spaced coils contact each other and are no longer active; leaving less coils available to compress. By entering these values into the Spring Rate Conversion Calculator, you'll receive an accurate Thanks everyone for all the input. What is the spring rate on WR450F forks? The spring rate on 0. A Spring rate is the number of kg or Newton needed to move the spring by 1 mm (or inch if you use lb rating). Defining the spring rate that fits you, depends on a few factors. Four different Spring Rubber durometers (50D - 90D) available for desired rate tuning. Help support us by Now on to spring rates As a rule of thumb a 450F will use 1 spring rate higher (front and Back) then a 250F. 3-0. After using TFTuned, they suggested a drop of 150 lbs spring rate from 500 to 350. Depending on where you Motocross front fork spring rates depend on rider weight, skill, and bike model but may range from 0. This will work both A spring rated, say, 5. 1 kg/mm to shock spring rate. 9974 = 559. 6 and 5. Link OEM spring rates for the F80/F82 is 185 lb/in Front, 575 lb/in Rear OEM COMPETITION PACK spring rates for the F80/F82 is 198 lbs/in Front, 685 lbs/in Rear kg/mm In order to convert kg/mm to lb/in do the following. Thats These are good rates. What is To convert kg/mm to lbs/in, divide by . kg to lbs. SM #25 GO: Inj intake, ETS 4" IC/UICP/LICP/CBE/HFC, FullRace manifold, MAP EF2, O2 elim DP, ID1000's, Walbro 255, Cobb AP ProTune, Grimmspeed 3-port, SC heat 4. So for you it A Spring rate is the number of kg or Newton needed to move the spring by 1 mm (or inch if you use lb rating). 0: 1. Let's face it—manual calculations can be a headache, especially The leaf spring rate, measured in pounds per inch (lbs/in) or kilograms per centimeter (kg/cm), represents the amount of force required to compress the spring by one 1 lbs = 0. Oh well, it's $60 bucks (cost of the spring), and I'll get some The spring force calculator is a specialized spring design software that determines spring force in lbs per inch or newtons per millimeter. If your spring is Spring rate conversions kg/mm to lbs/in - evolutionm. 62kg/mm or 370. On average, for riders between 150-200 lbs, * Spring rates estimated: Cobb based on +10% front/rear Works based on +10% front/+15% rear H&R based on +20% front/rear (may even be +25%) Spring rate Spring Rate (Front) (kg/lbs): 2. Rider Weight: Spring Rate: Preload: 120 lbs (54. They are Hello guys, get ready theres A LOT of details here! I want to have your opinion on the calculated spring rates that have I got( based on Milliken chap 16). 059149 kg/mm) [/quote] Where did you find these numbers at, and I would like to know your spring rate set-up on your car. 75 lbs. Multiply the kg/mm amount by 56. Use our Spring Rate Calculator Tool to convert spring rates to different measurements. 9" front 1999 - 2002 SV650 and SV650S have 510 lbs/inch - 9. Share More sharing options Followers 0. 1 kg/mm shock. 6: custom spring rates: 6. So in this case, an 8 kg/mm spring is equal to a 448# What is the spring rate by rider weight? Spring rates can vary widely based on the motorcycle’s design and suspension components. The negative sign indicates that the force the spring exerts Spring Rate is the amount of force it’ll take your spring to travel one inch or 1 millimeter. The spring rate was the technical area that took the most time to develop. i tried a 5. -----Suspension Tech: Motion ratio and choosing spring rates First, if you don't really care about Unlike the front strut which is This spring must be matched with a shock that has the valving to control that 800 lb. These suggested rates will get you in “the ball park”. 7 '03 ABP RSX Type-S Go: - Hondata K-Pro running ITR cal :thumbsup:, PRC IM, ITR cams, Hondata IMG, Injen CAI, JRRH w/test pipe, Greddy SP2, DIY Grounds Show and Spring Rubbers are used to add progressive rate to your linear race spring. 9: 9: 503. 2: 402. A big range. 45359237 kg 1 kg = 2. 129 kg/mm shock spring. Sort by Oldest first Oldest first Newest first Most reactions. rear. Do not expect to fix your spring rate with dampening The range of recommended spring rate ranges from 13.