Mega Brands New 37 Tooth Rear Sprocket for 110cc 125cc ATV Quads Taotao Roketa Ice 50cc 70cc Dirt Bike SSR Coolster 37 tooth rear sprocket Fit most 110cc 125cc Chinese ATV quads 50cc 70cc dirt bike Inside diameter: 457mm; Outside diameter: 1524mm; Thickness: 7mm Please check pictures/dimensions before the purchase or contact us for details Please check pictures/dimensions before the purchase or contact us for details