CYSKY Bike Crankset 3x 10 Speed 42-32-24T 170mm 104/64 BCD Crank Arm Set Easy to Replacement MTB BMX Road Bicycle Crankset Compatible withFeatures CompatiblePerfectly matched 10 speed, compatible with Shimano, Sram system, suitable for most mountain bikes, road bikes, city bikes Crank Length 170mm, BCD: 104mm(42T, 32T), 64mm(24T) Removable Each chainring can be disassembled, which is convenient for replacement and reduces maintenance costs Crank Material Forged AL 6061 T6 aluminum alloy, high strength steel, CNC machining, surface oxidation treatment, Lightweight and more durable