PARKTOOL Bottom Bracket and Cassette Switch BBT-5/FR-11 PTBBT5FR11

Fits 16-notch tool fittings with a large diameter (outside the notches) of 44-45 mm and a small diameter (inside of the notches) of 42.7 mm:
Shimano® BB80, BB5700, XT® BB70, BB51 and earlier outer bearing gear cups
Threaded bottom bracket caps from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum® and more
16-notch disc brake rotor locking rings
16 notch Bafang® BBSH, BBS02 mid drive motor locking rings
Fits Shimano® Hollowtech II® crank arm covers with 8-point tool mounts
Equivalent to Shimano® TL-FC16 or TL-FC18 tool
Product description
An economical, handle-operated tool for removing and installing many 16-notch bottom brackets and disc brake rotor locking rings, as well as Hollowtech II® crankcase covers.