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Park Tool

Park Tool - BBT Bottom Bracket Sockets 16-Notch

Bottom Bracket Tools

Product Details

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
Code Description RRP (Inc. GST) Availability
K-BBT-19.2 Park Tool Bottom Bracket Tool - 16-Notch 44/45mm, Shimano, SRAM, Race Face, FSA, Campag $47.90 In stock
K-BBT-49.3 Park Tool Bottom Bracket Tool - 16 Notch 39-40mm $55.90 ETA 20 January 2025
K-BBT-35-12 Park Tool Bottom Bracket Tool - 12 Notch 48-50mm (Compatible Praxis M30) $58.90 In stock
K-BBT-69.4 Park Tool Bottom Bracket Tool - 44mm $61.90 In stock
K-BBT-47-16 Park Tool Bottom Bracket Tool - 16-Notch 52-54mm $65.90 In stock
K-BBT-47-12 Park Tool BOTTOM BRACKET TOOL:12-NOTCH 50.4MM $65.90 In stock
K-BBT-79.3 Park Tool Bottom Bracket Tool - 46mm $69.90 In stock
K-BBT-59.3 Park Tool Bottom Bracket Tool - 41mm, 16-notch $69.90 In stock
K-BBT-27.3 Park Tool Bottom Bracket Tool - 16-Notch 48.5mm/49.3mm $74.90 In stock