Unior Cartridge Bottom Bracket Tool 8 ToothUNIOR: Product featuresmaterial: premium flex plus carbon steel1/2? square drive makes it easy to use with ratchets fixed handles and torque wrenchesCompatible with:Shimano Octalink® bottom brackets with outside notches Bontrager ® and Truvativ ® ISIS Drive ® type bottom bracketsBosch® Generation 3 and Generation 4 E-bike system front chainring lockring
