Wolf Tooth Bottom Bracket Toolare high-quality made, CNC machined tools for the installation and removal of external cup bottom brackets.Large finger notches so you can start threading the cups by hand. Wolf Tooth Bottom Bracket Tool Features 3/8" square socket or 1-inch hex for ratchet/torque wrench Each socket has either a Shimano bearing preload tool or a 16mm hex for use with Race Face Cinch cranksets Steel inserts for magnetic coupling compatibility with the Pack Wrench Wolf Tooth Bottom Bracket Tool Compatibility BBS3916: 16 notch BB socket for 39mm diameter notch pattern, Shimano 9000 series, DURA-ACE, BB92, XTR BB93 BBS4116: 16 notch BB socket for 41mm diameter notch pattern, Shimano 105, Ultegra BBR60 and 6800, XT MT-800 BBS4416: 16 notch BB socket for 44mm diameter notch pattern, Shimano BB80, BB5700, BB70, BB51, Enduro T47, Wheels T47, many from Hollowtech II, Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-type, Surly, and more BBS4612: 12 notch BB socket for 46mm diameter notch pattern, BB386, Race Face 30mm Spindle, TF47, SRAM DUB, RaceFace Cinch, Zipp Vuma, Rotor BSA30, Hawk Racing BB3086, and more BBS4816: 16 notch BB socket for 48mm diameter notch pattern, FSA 386 MegaEvo, Wheels PF30, BSA30, BB386, and more Wolf Tooth Bottom Bracket Tool Specifications Weight: BBS3916 - 69g, BBS4116 - 69g, BBS4416 - 71g, BBS4612 - 78g, BBS4816 - 80g Material: 7075-T6 Aluminum Made in the USA More info
