ALPINESTARS SP-X BOA Boots - Black - EU 40 2222024-1100-40 Piston Kit Helps show riders hidden details

Helps show riders hidden details of Arai helmets

The grip material under the palm area has been increased to give improved cushioning

You can also set the bars 10mm or 20mm lower from the stock location

Plug prevents dirt and moisture from collecting in your exhaust pipe

ALPINESTARS SP-X BOA Boots - Black - EU 40 2222024-1100-40 Piston Kit Helps show riders hidden detailsSP 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