【Independant Designed Modules. 2 Front】 Wheel .Set can easily installed to all types of bicycles. Can turn a normal 2 wheel bicycleinto a 2 front wheel tricycle. X-TRIKE can adapt to different kinds of road conditions, enhance the cycling stability. Suitable for elder cyclists, junior cyclists, and for women who likes cycle shopping. The front wheel end can add basket, trolley, baggage rack, pet rack etc. Increase the functionality of a bicycle.