630 crank bcd products are offered for sale by suppliers on Alibaba.com, of which bicycle crank & chainwheel accounts for 89%.
A wide variety of crank bcd options are available to you, such as mountain bike, road bike and bmx.You can also choose from steel, aluminum and titanium crank bcd,As well as from alloy, aluminum alloy crank bcd, and whether crank bcd is black, silver, or green.