Box One 3/32" CNC Alloy 7075 Cog-Black/Silver shirt-size-youth-large All-new steerer tube design improves

All-new steerer tube design improves fatigue strength and includes a built-in

while maintaining plenty of strength and the oversize 31

Mesh comfort liner helps keep you cool and comfortable

Straddle cable

significant reduction in spinning resistance that can be felt immediately

Box One 3/32" CNC Alloy 7075 Cog-Black/Silver shirt-size-youth-large All-new steerer tube design improvesThe Box One 3 32" CNC Alloy 7075 Cog Black Silver is designed to fit Shimano compatible cassette hubs and ONLY Shimano compatible cassette hubs. So no trying to sneak it onto a Campagnolo cassette hub! It works with 3 32" and 1 8" chains, is lightweight, and has a wider inner base for firm, rock solid contact with the cassette. The yin yang reminiscent look is a result of the whole cog being anodized black then laser etched to create the graphics.