Brand new clutch assembly with accessories Fit most 110cc, 125cc, 135cc ATVs, dirt bikes, and go karts with semi automatic with reverse engine 17 Teeth Drive Gear Includes everything you need to replace the old clutch. Fit Models: most 110cc, 125cc, 135cc ATVs, dirt bikes, and go karts with semi automatic with reverse enginealmost all of the Chines made ATVs, such as TaoTao, Buyang, Coolsports, Kazuma, Sunl, Roketa, AIM-EX etc. Dimension: 17 Teeth Drive Gear Please also check with the old part on your bike to make sure. 17T Teeth Semi Automatic Clutch Assembly with Accessories for 50cc 70cc 90cc 110cc 125cc 135cc ATV Quad Go Kart Dirt Bike Taotao SUNL Roketa Kazuma JCL NST 17T Teeth Semi Automatic Clutch Assembly with Accessories for 50cc 70cc 90cc 110cc 125cc 135cc ATV Quad Go Kart Dirt Bike Tao