About products and suppliers:
Alibaba.com offers 49801 adult tricycle products. About 53% % of these are electric tricycles, 4%% are other tricycles. 

A wide variety of adult tricycle  options are available to you,  such as < 110cc, > 250cc and 151 - 200cc.You can also choose from 501 - 800w, 351 - 500w and > 1000w adult tricycle,As well as from 10-15°, ≥25°, and 15-20°.  and whether adult tricycle is 30-50km/h, ≤30km/h, or 50-70km/h.