Our tricycles are made using the Solar Bike conversion kits and the gomier tricycles. The tricycles are available in blue, red and black and in single speed, 3 speed internal hub (recommended) and 6 speed. They are available with 20″, 24″ and 26″ rims. 24″ is probably the most common size that fits people but if you’re quite small or very large then you can select either the 20″ or 26″ model. There is also a single speed industrial trike for carrying heavy loads.