Cane Creek Progressive Rate VALT Lightweight Rear Shock Spring - 45mm x 500-610lbs White MFPN=W075-0072 These IS headsets are for

These IS headsets are for frames with molded-in internal bearing cups

The T55 comes with our Paulownia ski core

The result is pure speed especially for triathletes time trial specialist and any other speed freak

Compatible with all wheel sizes from 20

Cane Creek Progressive Rate VALT Lightweight Rear Shock Spring - 45mm x 500-610lbs White MFPN=W075-0072 These IS headsets are forCane Creek Progressive Rate VALT Lightweight Rear Shock Spring 45mm x 500 610lbs White. 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