3012 alloy crankset products are offered for sale by suppliers on Alibaba.com, of which bicycle crank & chainwheel accounts for 62%.
A wide variety of alloy crankset options are available to you, such as mountain bike, road bike and bmx.You can also choose from steel, aluminum and silicone alloy crankset,as well as from 3, 5, and 6 alloy crankset, and whether alloy crankset is alloy, aluminum alloy, or 6061 alloy forged.