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68-73mm Bicycle External Bearing Bottom Brackets Integrated Aluminum Hollow Threaded Crankset Bearings Bicycle Axis BB44 Wrench
Bullet and Durable: Made of high-quality aluminum alloy, strong and durable, fine workmanship, lightweight and and Dirt-proof: Sealed bearing, compact structure, to avoid the penetration of damp and dirt, lubrication is comfortable, and Thread: Threaded lock design, strengthen the stability of the side, not easy to loosen. L is left, R is right, it can be disassembled with 44mm bottom bracket Installation and Operation: The hollow one-body hanging type can increase the pedaling frequency, reduce noise, and make riding more labor-saving. Easy installation and operation, providing better pedal power Application: 3 resin washers and 1 [...]
59.44 $ 48.75 $