Description: Small double gear details: Small gear - 16 tooth Larger gear - 17 tooth Large double gear details: Small gear - 17 tooth Larger gear - 60 tooth Rod details Overall length - 46mm / 1.81" Diameter - 10mm / 0.39" Specification: Fits for CG125 CG200 CG250 150cc 200cc 250cc Motorcycle ATV Quad Dirt Bike Please check the size on the pictures, make sure the item is the one that you need. Package Includes: 1 Set Starter Idler Reduction Gear