About product and suppliers:
            667 tandem bicycle products are offered for sale by suppliers on Alibaba.com, of which bicycle accounts for 34%, electric bicycle accounts for 5%, and spinning bike accounts for 1%. 

A wide variety of tandem bicycle options are available to you, such as no, yes. You can also choose from men, women tandem bicycle, as well as from 12 speed, 21 speed, and single speed tandem bicycle, and whether tandem bicycle is aluminum alloy, steel, or aluminum. 

There are 329 suppliers who sells tandem bicycle on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of tandem bicycle supply is 100% respectively.