-22%
Specifications:- Material: Premium flex plus carbon steel- 1/2˝ square drive makes it easy to use with ratchets, fixed handles and torque wrenches- Weight: 211gCompatible with:- Shimano Octalink® bottom brackets with outside notches, Bontrager ® and Truvativ ® ISIS Drive ® type bottom brackets- Bosch® Generation 3 and Generation 4 E-bike system front chainring lockring