Wolf Tooth Bottom Bracket Tools are precision-machined installation and removal sockets designed for modern external cup bottom brackets. Built in Minnesota from aircraft-grade 6061-T6 aluminum, these tools are engineered for professional mechanics and detail-oriented home builders who demand accurate engagement, clean torque application, and long-term durability. Each socket features large finger notches that make it easy to start threading bottom bracket cups by hand—an important step in preventing cross-threading. For tool interface, every model includes both a 3/8" square drive and a 1" hex option, allowing use with ratchets, torque wrenches, or hex tools. Most versions also incorporate either a Shimano bearing preload tool or a 16mm hex interface for Race Face Cinch cranksets, increasing workshop versatility. Steel inserts are integrated for magnetic coupling compatibility with the Wolf Tooth Pack Wrench system, ensuring secure engagement when working in tight or travel situations. Available Socket Models & Compatibility BBS4116: 16-notch, 41mm diameter pattern – Shimano 105, Ultegra BBR60/6800, XT MT-800. BBS4416: 16-notch, 44mm diameter pattern – Wolf Tooth BSA 24mm BB, Shimano BB80/5700/70/51, Enduro T47, Wheels T47, Hollowtech II, Campagnolo, Chris King, FSA MegaExo, Hope, SRAM/Truvativ GXP, Race Face X-Type, Surly, and more. BBS4612: 12-notch, 46mm diameter pattern – Wolf Tooth BSA 29/30mm BB, BB386, Race Face 30mm spindle, TF47, SRAM DUB, Race Face Cinch, Zipp Vuma, Rotor BSA30, Cane Creek Hellbender, and more. BBS4816: 16-notch, 48mm diameter pattern – FSA 386 MegaEvo, Wheels PF30, BSA30, BB386, and more. BBS4912: 12-notch – Praxis T47IB. BBS5212: 12-notch – Chris King T47. BBS5216: 16-notch – Wolf Tooth T47 Bottom Bracket, DUB T47. Tech Specifications Material: 6061-T6 aluminum. Drive Interface: 3/8" square drive and 1" hex. Magnetic Compatibility: Steel inserts for Pack Wrench integration. Weight: BBS4116 – 70g | BBS4416 – 74g | BBS4612 – 78g | BBS4816 – 79g | BBS4912 – 66g | BBS5212 – 83g | BBS5216 – 85g. Made in: USA. Why Choose Wolf Tooth Bottom Bracket Tools Precision Engagement: Clean notch interface reduces risk of slippage or damage. Workshop Versatility: Dual drive options accommodate torque wrenches and ratchets. Hand-Thread Friendly: Large finger notches help prevent cross-threading. Built for Longevity: CNC-machined aluminum construction for repeated professional use. Final Take Wolf Tooth Bottom Bracket Tools are purpose-built for accurate, confident bottom bracket installation and removal. With broad compatibility across modern standards and USA-machined precision, these sockets are a reliable addition to any serious workshop or travel tool kit.
