Large finger notches so you can start threading the cups by hand
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

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

Related Products

Weight: BBS3916 • 69g | BBS4116 • 69g | BBS4416 • 71g | BBS4612 • 78g | BBS4816 • 80g

Material: 7075-T6 aluminum

Made in the USA

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Patent and trademark information