ALPINESTARS SP-X BOA Boots - Black/Silver - EU 42 2222024-119-42 Replacement Clutch Spring Set Springs are measured from hook

Springs are measured from hook to hook

trails and more

Constructed with heavy duty 600D oxford polyester woven materials and internal closed cell foam walls

Maximum protection for chassis and engine

ALPINESTARS SP-X BOA Boots - Black/Silver - EU 42 2222024-119-42 Replacement Clutch Spring Set Springs are measured from hookSP X boots are a sleek sport boot designed to fit under tech riding pants and provide superior walking capability Optimized for the sport and sport touring rider, the SP X are compact, mid height boots with premium levels of protection and comfort on and off the bike The upper is constructed from a combination of Rideknit material and knitted mesh, plus seamless thermo welded parts The lower features a TPU heel counter, toe slider, and the Alpinestars