Bicycle Crankset 6 7 8 Speed 42/34/24T Universal Square Crank Set 170MM Crank Arm for Mountain Bike. Material: Made of high quality forged aluminum alloy 6061-T6, which is high strength, light and durable, not easy to deform.
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Bicycle Crankset 6 7 8 Speed 42/34/24T Universal Square Crank Set 170MM Crank Arm for Mountain Bike. Material: Made of high quality forged aluminum alloy 6061-T6, which is high strength, light and durable, not easy to deform.
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