Progressive Springs increase in rate late in stroke to provide additional bottom-out support and open up the use of coil shocks on frames previously only suited to air shocks.
Spec:
- Effective rate - 550lb
- @ 25% Sag - 525lb (51-60mm stroke) - 475lb (63mm+ stroke)
- @ 90% Travel - 650lb (51-57mm stroke) - 675lb (60mm+ stroke)
