ZTTO Bicycle Bottom Bracket Tool Perfect for Bottom Bracket Cup Installation
For ZTTO BB91/BB109/BB30SH/PF30SH/BB86-30/BB30-30. 1 x Bottom Bracket Tool. BT-1 for 3/8"(9.5mm) square torque wrench mount. Material: Aluminum Alloy CNC. Weight: About 100g/set. for SR- for DUB series.