2660 tandem system products are offered for sale by suppliers on Alibaba.com, of which drawer slides accounts for 19%, tandem bike accounts for 1%.
A wide variety of tandem system options are available to you, such as steel, aluminum and aluminum alloy.You can also choose from disc brake, v brake tandem system,As well as from ordinary pedal, unilateral folding pedal tandem system,And whether tandem system is single speed, {2}, or {3}.