SuperB 8916 Bicycle Bottom Bracket Tool BB Wrench

The SuperB 8916 Bottom Bracket Tool is designed to remove and install Shimano Hollowtech II bottom brackets & Truvativ GXP Bottom Brackets.
Laser cut for a precise fit, one end of the 8916 securely engages the 16 notches of the bottom bracket cups, while the other end engages the 8 internal splines of the crank arm adjustment cap.