The revolutionary Progressive springs fit shocks of any length with 50 - 65mm of stroke. Progressive springs increase ending-stroke support by approximately 20% over linear coil springs - allowing them to be used on frames previously requiring the progressive nature of air suspension.
MRP Springs are 38mm ID - For spring adaptors click HERE
To work out which spring rate you need please use our spring calculator by clicking here.
Want a more accurate calculation? Click here for our advanced calculator
Please note for use on non-MRP brands you will need a spring spacer kit due to the inner diameter of the spring, they can be found here.