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Tools & Maintenance Bottom Bracket, Cassette, & Cog Tools

Park Tool BBT-49 Bottom Bracket Tool

The Park Tool BBT-49 is a precision CNC machined aluminum tool for the 39mm, 16-notch Shimano Dura-Ace 9000 external bottom bracket. It also fits the Shimano XTR BB93 external bottom bracket. It is compatible with a 3/8" drive so it can be used with your favorite torque or socket wrench.

Detail

  • Precision CNC machined aluminum tool
  • Torque wrench compatible 3/8" drive
  • 39mm OD cup
  • Fits Shimano XTR BB93, Dura Ace BB9000, BB9100
  • Has been updated as the BBT49.2 with minor changes, these will be sold as well until stock is gone