Park Tool Bottom Bracket Tool BBT-69.4 drumbeat21-1522 Wheelsmith

Wheelsmith

We leveraged our extensive aerodynamic expertise to make one of the fastest and best ventilated helmets in its class

The adaptive close-fitting upper pattern features a BOA L6 Fit System

AWS-8 Features

(113 g) tube

Park Tool Bottom Bracket Tool BBT-69.4 drumbeat21-1522 WheelsmithFits 16 notch tool fittings with a major diameter (outside of notches) of 44 45 mm and a minor diameter (inside of notches) of 42. 7 mm, including: Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded bottom bracket cups Threaded bottom bracket cups from Campagnolo, Chris King, FSA MegaExo, Hope, SRAM Truvativ GXP, Race Face X type, Surly, Wheels, Fulcrum, and others Center lock disc brake rotor lockrings Bafang BBSH, BBS02 mid