Fitment for: Universal fit most motorcycles. Fit for 110CC/125CC/140CC ATV.Material: Made of plastic, Iron, is durable and abrasion resistant can use for a long time.Function: Adjust the chain automatically, prevent the chain fall for flabby that improve the safety of driving.Easy Installation: The motorcycle chain tensioner is easy to install, lossless your motorcycle body, circular tube can use a rubber mat reinforcement.Package Include: 1 pcs Motorcycle Chain Tensioner.Features:Universal fit most motorcycle.Easy to install, lossless your motorcycle body.The chain adjusts tool, is durable and abrasion resistant .Adjust the chain automatically, and solve the problem of manual adjustment chain.Avoid relaxation of the chain, improve the safety of driving, and let your driving freely.Specification:Condition: Brand NewMaterial: Plastic, IronColor: BlackTotal Length: 88mm / 3.46"Installation Hole Inner Diameter: 15mm / 0.59"Thickness: 3mm / 0.12"Two Circles Center Distance: 64mm / 2.52"Spring Inner Diameter: 21mm / 0.83"Roller Inner Diameter: 12mm / 0.47"Roller Outer Diameter: 35mm / 1.38"Roller Height: 26mm / 1.02"Thread Size: M8 x 1.25Package Included:1 pcs Motorcycle Chain Tensioner