PARK TOOL - BBT BOTTOM BRACKET SOCKETS 16-NOTCH

Bottom brackets occasionally require removal for service, replacement, or upgrading. 

BBT-19.2 FEATURES
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®
• 16-notch Bafang® BBSH, BBS02 mid-drive e-bike motor lockrings.

BBT-27.3 FEATURES

Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 48-50 mm and a minor diameter (inside of notches) of 46.4 mm, including:

• FSA® MegaEvo®
• Wheels Manufacturing™ T47, PF30

BBT-47-16 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 52–54 mm and a minor diameter (inside of notches) of 48.8 mm, including:

• C-Bear® T45 24mm, 30mm, and DUB®, T47-BB86
• CeramicSpeed T47/86
• Enduro® BB30/30a TorqTite (30mm and DUB® spindles),T47 (30mm and DUB® spindles)
• Kogel T47
• SRAM® T47 DUB®
• White Industries™ PF30 Thread-Together, T47

BBT-49.2 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm, including:

• Shimano® XTR® BB93, Dura-Ace® BB9000, Dura-Ace® BB-R9100
• Token®
• Shimano® STEPS square spindle e-bike systems including:E6000, E6002, E6050
• Replacement for Shimano TL-FC38 tool.

BBT-59.3 FEATURES
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 41–42 mm and a minor diameter (inside of notches) of 39 mm, including:

• Shimano® Ultegra® BBR60, Deore XT® MT-800

BBT-69.4 FEATURES
Fits 16-notch tool fittings with a major diameter (outside of notches) of 44–45 mm and a minor diameter (inside of notches) of 42.7 mm, including:

• Shimano® BB80, BB5700, XT® BB70, BB51, and previous external bearing threaded bottom bracket cups
• Threaded bottom bracket cups from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, and others
• Center lock disc brake rotor lockrings
• Bafang BBSH, BBS02 mid-drive motor lockrings