Tools

- Fits Truvativ GXP and Howitzer external-bearing bottom brackets with 16-spline/notched cups (also fits Shimano HollowTech-II bottom brackets) - CNC machined, heat treated steel construction - 1/2" ratchet drive and 32mm wrench flat tool interfaces

- Fits Truvativ ISIS bottom brackets with 8-notch flanged cups (also fits crank spider nut on older X-Flow and Stylo crankarms) - CNC machined, heat treated steel construction - 1/2" ratchet drive and 32mm wrench flat tool interfaces