Fit for 50cc 110cc 125cc 135cc ATVs, Dirt Bikes and Go Karts with Semi Automatic Reverse Engine, Chinese brands like TaoTao, Buyang, Coolsport, Lifan Kazuma, SUNL, etc Semi automatic clutch, 4-1/2″ diameter. Made of quality iron material, which is lightweight, portable, sturdy, durable, maximum torque, wear-resisting and fast heat disation Package includes 1x 17T Semi Automatic Clutch Assembly in a Brand Box Hassle-Free Return and Money Back, Shop with Confidence! About After Sales Service: We have a friendly and dedicated support teams to handle any problems you come up with our products. Please contact us first via email or message for replacement, refund or technical problem caused by any reason. We promised you won’t lose one cent on shopping with Brand.