BOTTOM BRACKET TOOLS

Wolf Tooth bottom bracket sockets are tools for installation and removal of external cup bottom brackets. They are machined in Minnesota with 7075-T6 aluminum.

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

3/8″ square socket or 1″ hex for ratchet/torque wrench

Most sockets have 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, Cane Creek Hellbender, and more.

BBS4816: 16 notch BB socket for 48mm diameter notch pattern, FSA 386 MegaEvo, Wheels PF30, BSA30, BB386, and more

BBS4912: 12 notch BB socket for Praxis T47IB

BBS5212: 12 notch BB socket for Chris King T47

BBS5216: 16 notch BB socket for DUB T47

SPECIFICATIONS

Weight: BBS3916 • 73g | BBS4116 • 70g | BBS4416 • 74g | BBS4612 • 78g | BBS4816 • 79g | BBS4912 • 66g | BBS5212 • 83g | BBS5216 • 85g

Material: 7075-T6 aluminum

Made in the USA

The Story

Wolf Tooth was founded to design and manufacture precision cycling products that emphasize function, performance, and reliability to meet the needs of our fellow racers and riders.

We are a group of cyclists in Minneapolis, Minnesota that spend a lot of time talking about bike components. Like most detail-obsessed riders, we’re always looking for new products that could make our bikes lighter, faster, more versatile, or more reliable. We pride ourselves on delivering premium products of the highest quality.