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Make the bottom of your bike a top priority.
Threaded bottom bracket installation and removal is a breeze with the Park Tool BBT-79 Bottom Bracket Tool. The cup is easy to place on a 12-notched external bearing bottom bracket, and uses a 3/8-inch drive for attachment to a ratchet or torque wrench so you can torque down your bottom bracket just right. The BBT-79 fits 46mm bottom brackets, and is anodized silver so its easy to spot it in your drawer of bottom bracket tools.
- A bottom bracket tool for external BBs
- 46mm diameter with 12 notch OD cup
- Works for a large assortment of external bottom brackets