About Park Tool BBT-9 Bottom Bracket Tool - Hollow Tech
The BBT-9 is used to remove and install external bearing crankset bottom brackets. One end of the BBT-9 securely engages the 16 notches of the bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap. The BBT-9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm.
The BBT-9 works with many external bearing crankset bottom brackets, including:
- Shimano® Hollowtech II
- Campagnolo® Ulta-Torque and Power Torque
- Race Face®
- Chris King®
- Phil Wood® outboard bearing
The BBT-9 also fits rotor disc lockrings which use 16 external notches.
More About The Manufacturer Park Tool
Park Tool has been manufacturing bicycle specific tools since 1963. Based out of St. Paul Minnesota, they are the world's largest bicycle tool manufacturer. A long-term dedication to quality, innovation, and customer service has made Park Tool the first choice of professional and home bicycle mechanics around the world.
Perspective is an important quality in any business. Our Park Tool's vision is shaped by more than 50 years of experience in the bicycle industry, beginning with retail stores. There they learned first hand the changing needs of quality bicycle repair and maintenance. The first Park Tool product in 1963 was a repair stand, Model PRS-1, so unique and useful that they were granted a U.S. patent. Park Tool now hold many patents on their tool line, which is nearly 300 products, the vast majority of which are manufactured here in America’s heartland.
But they are not standing still: Park Tool Co. continues to develop and refine bicycle repair tools and equipment to improve the service and eff