Progressive Spring

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.

Technical information: 

RSMRS201
Effective rate - 350lb
@ 25% Sag - 350lb  
@ 90% Travel - 375lb (51mm stroke) - 400lb (55mm+ stroke)

RSMRS202
Effective rate - 400lb
@ 25% Sag - 400lb
@ 90% Travel - 450lb (51-60mm stroke) - 475lb (63mm+ stroke)

RSMRS203 
Effective rate - 450lb
@ 25% Sag - 425lb
@ 90% Travel - 500lb (51-60mm stroke) - 525lb (63mm+ stroke)

RSMRS204 
Effective rate - 500lb
@ 25% Sag - 475lb
@ 90% Travel - 575lb (51-60mm stroke) - 600lb (60mm+ stroke)

RSMRS205 
Effective rate - 550lb
@ 25% Sag - 525lb (51-60mm stroke) - 475lb (63mm+ stroke)
@ 90% Travel - 650lb (51-57mm stroke) - 675lb (60mm+ stroke)

For further technical information please check MRP's website out.

Please note for use on non-MRP brands you will need a spring spacer kit due to the overall length of the spring, they can be found here. Please see the geometry tab below for which spacer kit you need for non MRP shocks. 


Click image to enlarge

To find out where to buy  Click Here

Description Colour Size Wt(g) Part No. Stock Lvl RRP Pack Unit
MRP Progressive Shock Spring, Light/Progressive Shock Spring 126x65mm 300-350lbBlack126x65mm 300-35383RSMRS200£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 129x65mm 350-400lbBlack129x65mm 350-40404RSMRS201£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 129x65mm 400-475lbBlack129x65mm 400-47412RSMRS202£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 134x65mm 450-552lbBlack134x65mm 450-52477RSMRS203£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 137x65mm 500-600lbBlack137x65mm 500-60523RSMRS204£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 141x65mm 550-675lbBlack141x65mm 550-67572RSMRS205£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 143.5x65mm 600+lbBlack143.5x65mm 600l627RSMRS206£129.99Each 
  • Good stock levels
  • Low stock levels, Qtys may not be available
  • +24h Components are available, add 24/48hrs for assembly
  • Special Order Currently non-stock item, contact us for info
  • Out of stock. Expected availability date will be displayed if known.
  • Discontinued. This product is no longer available.
  • M Mixed Quantity discount available
Description Colour Size Wt(g) Part No. Stock Lvl RRP Pack Unit
MRP Progressive Shock Spring, Light/Progressive Shock Spring 126x65mm 300-350lbBlack126x65mm 300-35383RSMRS200£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 129x65mm 350-400lbBlack129x65mm 350-40404RSMRS201£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 129x65mm 400-475lbBlack129x65mm 400-47412RSMRS202£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 134x65mm 450-552lbBlack134x65mm 450-52477RSMRS203£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 137x65mm 500-600lbBlack137x65mm 500-60523RSMRS204£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 141x65mm 550-675lbBlack141x65mm 550-67572RSMRS205£129.99Each 
MRP Progressive Shock Spring, Light/Progressive Shock Spring 143.5x65mm 600+lbBlack143.5x65mm 600l627RSMRS206£129.99Each 
  • Good stock levels
  • Low stock levels, Qtys may not be available
  • +24h Components are available, add 24/48hrs for assembly
  • Special Order Currently non-stock item, contact us for info
  • Out of stock. Expected availability date will be displayed if known.
  • Discontinued. This product is no longer available.
  • M Mixed Quantity discount available