170mm Crank BB Bicycle Crank Arm Set for Trekking Bike Mountain Bikes Repair. : This bicycle chainring crankset features an adjustable ring on the crankshaft, suitable for road bikes, mountain bikes, folding bikes, and other bicycles. : The bottom bracket features a BSA-DUB threaded design with a width of 68-73mm, providing great compatibility and stability.
: The crank arm length is 170mm and the gear combination is 52-36T, lightweight and reliable shifting, making it ideal for various cycling conditions. : This bike crankset is made from stable aluminum alloy material, and can withstand tough terrains without rusting or wearing out easily. It's also waterproof to ensure long term use performance. : This product boasts an outstanding axle and bottom bracket design that enhances overall durability while ensuring safety and reliability during your rides.Crank: 170mm/6.69inch Threaded Bottom Bracket Width: 6.8cm-7.3cm/2.68inch-2.87inch. 1 kit 170mm Crank Set.
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