Drivetrain & Transmission Tools

External Bottom Bracket Tool For Bikes, Professional Shop Quality. Notch & Size: 16 Notch, 41MM. Compatible Brackets: SHIMANO 105 BBR60 ULTEGRA...

* 3/8" ratchet compatible to be able to torque to spec* SRAM Model ID: TL-BBT-DUB-A1​​

* Modern replacement of the traditional chain whip* Pins on the tool engage with the smallest sprocket on the cassette and hold it in place, while ...