UNIOR:

Product features

• material: premium flex plus carbon steel
• 1/2? square drive makes it easy to use with ratchets, fixed handles and torque wrenches

Compatible 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