- Dual sided and made of aluminum to install and remove 12-notch and 16-notch external bearing bottom brackets.
- For Enduro® T47 and PF30, 16-notch (cup O.D. 52.2 mm)
- For Chris King® TheadFit™ T47 and TheadFit™ 30, 12-notch (cup O.D. 50.4 mm)
- Use with 1/2” Dr. socket wrench or ratchet wrench.