Shimano, BB-MT501, Threaded Cups, British, 68/73mm, 24mm MATTNATCORE the Youth Mainframe Helmet will

the Youth Mainframe Helmet will also keep young heads cool and well vented

A locking zipper keeps the Gravel Gaiter securely in place and the Hypalon midfoot strap won't get in the way during treacherous hike-a-bike sections

Terry Cloth nose wipe on thumb

weatherproof insulation while a brushed tricot seat adds some extra coziness for those freezing chairlift rides

Seamless transition through the end of grip for comfort

Shimano, BB-MT501, Threaded Cups, British, 68/73mm, 24mm MATTNATCORE the Youth Mainframe Helmet willShimano, BB MT501, Threaded Cups, British, 68 73mm, 24mm F Left and right bottom bracket cups (B. C. 1. 37in. x 24T) English Thread S Fits 68mm and 73mm bottom bracket shells Fits Shimano HollowTech II mountain bike cranks