Alpinestars S-M3 Wurx Youth Helmet shop-hardware-nuts (W)-rated for speeds of 168+

(W)-rated for speeds of 168+ mph

blue or red anodized finish

1992-1995 Yamaha YFM350ER Moto-4

2000-2001 Kawasaki KLF300 Bayou 2x4

two gray and black 4-pin connectors

Alpinestars S-M3 Wurx Youth Helmet shop-hardware-nuts (W)-rated for speeds of 168+Anatomically engineered and profiled specifically for youth and younger riders, the all new SM3 Youth is optimized for MX, Enduro and Offroad use, and features a whole raft of technologies and innovations taken from Alpinestars range of adult helmets to deliver the optimal blend of performance, protection and comfort. This lightweight helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness