Park Tool BBT-18 Chainring Lockring and Bottom Bracket Tool
Special Features
- The BBT-18 has 8 notches with an outside diameter of nominally 43.4mm.
- The inside-to-inside width is approximately 38mm
- Each notch is approximately 3.9mm wide.
- The hole in the center of the casting is 22.5mm, and will not fit over the 30mm spindles.
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