Adjuster Chain Tensioner Bolt On Roller Motorcycle Modified Accessories Universal Tool Red Features: - . - 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: 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 e 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 this product will be sent randomly, and make sure you will not mind before ordering.