Common Shimano Hollowtech II style external bottom brackets (16 notch), and external-style Centrelock rotor lockrings.
Supplier Part Number: U1490R
Supplier's description
The wrench is used to remove and install Shimano® Hollowtech II, Campagnolo® Ultra-Torque and Power Torque, Race Face®, FSA®, SRAM®, Truvativ®, Chris King® bottom brackets as well as many and others. Small wrench is included for removal and installation of Shimano plastic bolts that are used on the Hollowtech II cranksets. The 1609/2BI wrench also fits on the external centerlock disc nut.