Features: 1.Easy to install, lossless body. 2.Suitable for motorcycle modified parts adjust the large chain tensioner automatically. 3.Chain adjust tool, very solid and durable design. 4.Adjust the chain automatically, avoid manual adjustment. 5.Avoid relaxation of the chain, let your driving freely and safely. Specification: Features:_x000D_ - 100% new high quality._x000D_ - Easy to install, lossless body._x000D_ - Chain adjust tool, very solid and durable design. _x000D_ - Adjust the chain automatically, avoid manual adjustment._x000D_ - Avoid relaxation of the chain, let your driving freely and safely._x000D_ - Suitable for motorcycle modified parts adjust the large chain tensioner automatically._x000D_ _x000D_ Specification:_x000D_ Condiiton: 100% Brand New_x000D_ Color: Black / Red / Blue (Optional)_x000D_ Size: As picture shown_x000D_ Material: Iron + plastic_x000D_ Wheel diameter: 3.3cm / 1.30"_x000D_ Clamp adjustable range: 3.7-4.3cm / 1.46"- 1.69"_x000D_ Packing: Blister cardboard packaging_x000D_ Apply to: Universal fit most motorcycle_x000D_ _x000D_ Package Included:_x000D_ 1 x Adjuster Chain Tensioner_x000D_ _x000D_ Note:_x000D_ Circular frame fixed when the need to use rubber and other objects wrapped in a good pad and then install. _x000D_ 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._x000D_ 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. PackageList: