1/2" Chain Axle Adjuster Tensioner 125cc 150cc 200cc 250cc ATV Quad Dirt Bike Go Kart Taotao Peace SUNL JCL A set of brand new chain adjuster. Fit most 150cc 200cc 250cc Chinese ATVs. most Chinese brands, like TaoTao, Buyang, Coolsport, Lifan Kazuma, SUNL, etc.