Applicable models: This motorcycle guide wheel sprocket is suitable for most off-road vehicles, street cars, motorcycles, ATVs, off-road vehicles, etc.Specifications: 8mm inner diameter, available in various colors, black/red/blue/orange/yellow, perfectly match your vehicle chain.Function: This sprocket roller slider is a must for wheel guide and helps the drive system to function properly.High Quality Material: This pulley guide is made of rubber and iron material for high strength and durability, this sprocket can also be used in gasoline motor bike conversion kits.Friendly reminder—8mm inner diameter, please check the size and make sure this sprocket meets your needs – Chain Tensioner for Mini Bike.PRO CAKEN has been specialized selling auto parts for ten years . We value your shopping experience and strive to offer a high-quality product and service.The company is committed to the pursuit of product quality. We will check each product in the process of production and packaging to