Features:- 100% new high quality.- Easy to install, lossless body.- Chain adjust tool, very solid and durable design. - Adjust the chain automatically, avoid manual adjustment.- Avoid relaxation of the chain, let your driving freely and safely.- Suitable for motorcycle modified parts adjust the large chain tensioner automatically.Specification:Condiiton: 100% Brand NewColor: Black / Red / Blue (Optional)Size: As picture shownMaterial: Iron + plasticWheel diameter: 3.3cm / 1.30"Clamp adjustable range: 3.7-4.3cm / 1.46"- 1.69"Packing: Blister cardboard packagingApply to: Universal fit most motorcyclePackage Included:1 x Adjuster Chain TensionerNote:Circular frame fixed when the need to use rubber and other objects wrapped in a good pad and then install. Screws need to lengthen the need to buyers according to the height of their own car to buy, please buyers first measure their own vehicle size, to avoid the purchase of goods inappropriate..Please note that the new type and old type of the red one will be sent randomly, and make sure you will not mind before ordering.