Shimano

TL-FC33 Crankset Adaptor Installation Tool for Socket Wrench

For installing/removing Shimano Hollowtech II external bottom bracket cups (not compatible with SM-BB9000), also fits external install/removal notches on 35mm spline CenterLock rotor lockrings for thru-axle hubs (XTR, Saint, XT, SLX)

• Works with other non-Shimano outboard bearing bottom brackets
• For use with 1/2" socket drive