We offer rubber gasket assy and spring gasket assy for motorcycle engine and many other tricycle parts. We are professonally manufacture of tricycle in chongqing, china, and we can provide you all the tricycle parts with good quality and cheap price.Tyre:4.5-12,hub cover,inner tube,outer tube, plate wheelEngine:1 cyclinder,4stroke, air (water) cooling5 electrical appliance: CDI,rectifier,relay, ...