This chain roller pulley tensioner is designed for mini motorcycles, dirt bikes, ATVs, go-karts, and most Chinese-imported pit bikes. It fits most electric bike pit bikes and quad models, ensuring smooth chain operation.Specification:Color: RedMaterial: ABSDesign: Cylinder TypeBore Diameter: 8mm / 0.31inchGuide Wheel Diameter: 32mm / 1.26inchLength: 28.5mm / 1.12inchBolt Shank Length: 35mm / 1.38inchPacking List: 2Pcs x Roller Pulley TensionerAdvantage:Crafted from durable rubber and high-strength metal, this chain roller pulley tensioner with internal double bearings offers durability, wear resistance, and a smooth surface to reduce chain wear. This roller pulley tensioner effectively adjusts chain tightness and tension, preventing the chain from falling off while riding, providing a smoother and safer experience.
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