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. Item Specifications: Stroke (ins): 2.56, I.D. (mm): 36.5, Material: Steel, Spring Weight: 500-610,