BBT-9 Bottom Bracket Tool GRX Di2 Original and best-selling high performance

Original and best-selling high performance synthetic string

quick and secure closure

Zipp Tangente Course R is a race and training tire that helps you focus more on your performance and less on the road

uniform load distribution

BBT-9 Bottom Bracket Tool GRX Di2 Original and best-selling high performanceBicycle bottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT 9 is used to remove and install select threaded bottom brackets with 16 notch tool fittings, including Shimano, SRAM GXP, Chris King, Campagnolo, and many others. This tool fitting is also found on some disc brake rotor lockrings. Additionally, the BBT 9 includes a tool that removes and installation of 8 point Shimano Hollowtech II crank arm