Bike Crank,Left Crank Alloy Mtb Crankset Arms With 170mm Mountain Bike Left Crank Arms 104 Bcd Alloy 170mm 104 Bcd Crankset 8/9/10/11 Speed Crank Set 170mm Alloy Bike Crankset Arms)
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Square tapered crank arms. Aluminum alloy material for light weight and strong strength. Compatible with 8 / 9 / 10 / 11 speed. Suitable for most mountain bikes. 104mm BCD.