5805 12 gear bike products are offered for sale by suppliers on Alibaba.com, of which kids' bike accounts for 13%, mountain bike accounts for 6%, and other bike accounts for 3%.
A wide variety of 12 gear bike options are available to you, such as steel, aluminum and aluminum alloy.You can also choose from 12, 16 and 20 12 gear bike,As well as from no, yes 12 gear bike, and whether 12 gear bike is v brake, disc brake, or brake line.