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 5254 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 4142 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 4445 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

• Park Tools Web site
• Park Tool – Bottom Bracket Tool Selection Info