536 cnc chainrings products are offered for sale by suppliers on Alibaba.com, of which bicycle crank & chainwheel accounts for 71%, machining services accounts for 5%.
A wide variety of cnc chainrings options are available to you, such as alloy, aluminum alloy.You can also choose from road bike, kids' bikes and cruisers cnc chainrings,as well as from aluminum, carbon steel, and stainless steel cnc chainrings, and whether cnc chainrings is black, silver, or white.