Cane Creek Progressive Rate VALT coil springs are designed to provide riders with a true rise-in-rate spring curve. - Springs feature the progressiveness and ramp-up that hard-charging riders demand - Designed for use with Cane Creek Coil shocks - Progression begins at 50% into the stroke of the spring - Crafted from high-performance spring steel - Inner diameter of 36.5mm is compatible with all Cane Creek coil shocks