8mm 10mm Drive Chain Roller Pulley Wheel Slider Tensioner Wheel Guide For BSE CRF CR XR Dirt Pit Bike Motocross ATV Motorcycle Chain roller pulley slider complete with heavy bearings ready to use. This chain pulley roller slider is an necessity for wheel guide, which helps the driving system to function well. It is made of premium materials for strong strength and long durability. Comes with several colors for choices. It will match your vehicle chain perfectly Easy To Install A variety of colors, two sizes for you to choose... Specifications: Product Name:Chain Pulley Roller Slider Material:Plastic, Metal Color:Yellow, Orange, Blue, Green, Black,Red As Picture Inner Diameter: 8mm 10mm Size:28mm x 32mm / 1.1" x 1.26" Fitment: Fitment: Suitable for most of dirt pit bikes, street bikes, motorcycles, ATV, off road vehicles, etc. Package Included: 1 x Chain Pulley Roller Slider Package Included: 1 Chain Roller Slider As Picture Installation instructions are not included