Box Two Oversized 30mm Alloy External Bottom Bracket jnrproperty The Fly Racing Carry-On Bag-Black

The Fly Racing Carry-On Bag-Black will make your life at the track that much easier

Lacking a sidewall braking surface this rim is designed specifically for the front of the bike

designed for maximum strength and durability

The steertube is made of one-piece heat-treated machined construction for added strength and features a built-in compression cap and it has a 45-degree built in lower race

Box Two Oversized 30mm Alloy External Bottom Bracket jnrproperty The Fly Racing Carry-On Bag-BlackThe Box Two Oversized Alloy External Bottom Bracket follows on Box's Oversized Technology engineering philosophy. Material is moved from low stress to high stress areas creating a bottom bracket with less deflection and more quickly applied pedal power. For this bottom bracket Box has toned down the Oversized Technology a little bit in relation to their top of the line M35 model. The 30mm cross section is designed to work with the other M30 components