Bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT-19.2 is compatible with some bottom brackets that feature a 16-notch tool fitting, including most Shimano models with outboard bearings. Constructed from high-precision hardened chromoly steel, and can be driven using a wrench, socket, or 3/8″ drive wrench.

Fits 16-notch threaded bottom bracket tool fittings with a 44-45 mm major diameter (outside of notches) and 42.7 mm minor diameter (inside of notches), including:

• Shimano BB80, BB5700, XT BB70, BB51, and previous external bearing threaded cups
• Campagnolo
• SRAM/Truvativ GXP
• Chris King
• FSA MegaExo
• Hope
• Race Face X-type
• Surly
• Wheels Manufacturing
• Fulcrum

Also fits 16-notch Bafang BBSH, BBS02 mid-drive e-bike motor lockrings.

Features a 3/8″ drive fitting and 1″ wrench flats

NOTE: due to the shallow engagement of their tool fittings, the BBT-19.2 is not recommended for 16-notch disc brake rotor lockrings. Instead use the Park Tool BBT-9 or BBT-69.4.

Not designed for use with impact drivers or other power tools.

BB Compatibility:

BBInfinite Threaded BSA Threaded BBInfinite Threaded Italian Threaded BBInfinite Threaded T47 External Bikone Threaded BSA / Italian Campagnolo Threaded Ekar Pro-Tech BSA and Italian threading Campagnolo Threaded Ekar Pro-Tech T47 x 68 Campagnolo Threaded Power Torque Campagnolo Threaded Ultra-Torque CeramicSpeed Thread-Together BB30 Shimano and GXP CeramicSpeed Threaded Campagnolo Ultra-Torque T47, BSA, and Italian CeramicSpeed Threaded Italian Threaded Shimano and GXP CeramicSpeed Threaded T47/68 Shimano, GXP, and Campagnolo Ultra-Torque ELEVN Racing Threaded Euro Bottom Brackets Enduro Thread-Together BB30/30a TorqTite GXP, 24mm, and Campagnolo Ultra-Torque Enduro Thread-Together BB86/92 TorqTite Enduro Thread-Together BBright TorqTite 24mm Enduro Threaded BSA and Italian Threaded 24mm Enduro Threaded T47 External e*thirteen Threaded BSA 24mm FSA Threaded MegaExo Hambini Threaded BSA Hawk Racing Threaded BSA Hawk Racing Threaded Italian Threaded Hope Threaded BSA 24 mm IRD Threaded ScramJet Kogel Threaded BSA GXP / 24mm Miche Threaded Evo Max Miche Threaded Pista Attiva Miche Threaded T47 Miche Threaded TC IC XL 24 Miche Threaded TC IC XL 29 Origin8 Threaded Torqlite Outboard Phil Wood Threaded BSA Outboard Praxis Works Threaded & Thread-Together M24 Praxis Works Threaded & Thread-Together Shimano Profile Racing Threaded Euro Outboard Promax Threaded Outboard Prowheel Threaded PW-BB68+ Prowheel Threaded PW-BB73+ Prowheel Threaded PW-BB100+ Prowheel Threaded PW-BB120+ Race Face Threaded BSA 24mm Rotor Threaded BSA GXP Rotor Threaded BSA Shimano Rotor Threaded T47 External 24mm Samox Threaded EB2401 and EB2402 Shimano Threaded All Other Outboard SRAM Threaded GXP SunRace Threaded BB-497 Suntour Threaded BB-BKA008-C Surly Threaded O.D. Token Thread-Together BB841T-41 Token Thread-Together BB841T-42 Token Thread-Together BB841T-42A Token Thread-Together BB841T-46 Token Thread-Together BB841T-46A Token Thread-Together BB4124C Token Thread-Together BB4129QB Token Thread-Together BB4130QB Token Threaded T47R24 Token Threaded T47RGXP Token Threaded TK877 Token Threaded TK878 TRiPEAK Threaded All Velo Orange Threaded Threadless Repair Wheels Mfg Thread-Together BB30 Outboard Wheels Mfg Thread-Together BB30A Wheels Mfg Threaded BSA Threaded GXP and 24mm