Smith Mainline Full Face Bike Helmet - Matte Black - Medium EU Shoe Size_39 Upper material: Japanese Durolite

Upper material: Japanese Durolite

Axle size: 15x100mm - axle included

Line: Evolution Line

Discrete clamp

Stable and grippy shoulder knobs for high support in off-camber sections and turns

Smith Mainline Full Face Bike Helmet - Matte Black - Medium EU Shoe Size_39 Upper material: Japanese DuroliteSmith Mainline Full Face Bike Helmet Matte Black Medium Give credit where credit's due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. Made for going big, going fast, or both, the Smith Mainline is our pinnacle, downhill certified enduro bike helmet. Safety innovations like Koroyd and MIPS provide energy absorbing impact protection so you have the confidence to get aggressive on the trail. It doesn't