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

2020-2022 Yamaha YZ 125 X - - 2016-2022 Yamaha YZ 450 FX - - 2016-2022 Yamaha YZ 250 X - - 2015-2022 Yamaha YZ 250 FX - - 2003-2022 Yamaha YZ 450 F - - 2003-2022 Yamaha WR 450 F - - 2001-2022 Yamaha YZ 250 F - - 2001-2022 Yamaha WR 250 F - - 2001-2002 Yamaha WR 426 F - - 2000-2002 Yamaha YZ 426 F - - 1998-2000 Yamaha WR 400 F - - 1998-1999 Yamaha YZ 400 F - - 1994-2022 Yamaha YZ 250 - - 1994-2022 Yamaha YZ 125

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

Crankshaft

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