The BBT-10.2 is a specialty tool for removing and installing crank arm caps on Shimano® Hollowtech® II cranks, including those found on e-bikes. Includes a built-in hook to lift the safety plate found on Hollowtech® II crank arms, speeding crank removal. The investment-cast steel body provides good leverage and includes an 8 mm hex fitting for removing seized or overtightened caps.