... city, We're concentrating on manufacturing good quality Tricycle with low prices. ALX100ZH Passenger Tricycle Engine: 110cc Single-cylinder 4-stroke air cooledDimension (mm ... 4.50-12/4.50-12 Optional parts 1. 50cc-110cc,125cc(+$60.00) , 150cc(+$65.00),200cc(+$95.00) Engine ... a 6 months or 9000km warranty on Motor and frame Tricycle,Passenger Tricycle,ALX110ZK