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 New Color: Black / Red / Blue (Optional) Size: As picture shown Material: Iron + plastic Wheel diameter: 3.3cm / 1.30" Clamp adjustable range: 3.7-4.3cm / 1.46"- 1.69" Packing: Blister cardboard packaging Apply to: Universal fit most motorcycle Package Included: 1 x Adjuster Chain Tensioner Note: 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. 1Easy to install, lossless body. 2Suitable for motorcycle modified parts adjust the large chain tensioner automatically. 3Chain adjust tool, very solid and durable design. 4Adjust the chain automatically, avoid manual adjustment. 5Avoid relaxation of the chain, let your driving freely and safely.