ITEM NAME:motorcycle Moto bike CNC Chain Tensioner Chain adjuster on Roller Adjust FO E2M2 motorcycle Moto bike CNC Chain Tensioner Chain adjuster on Roller Adjust FO E2M2 Item Weight: 0.08kg Item Type: Chain Sets use: motorcycle Fitment: For most of motorcycle model NAMES: Chain Sets GEAR Package Weight: 0.1kg (0.22lb.) Package Size: 15.5*12.5*8cm Fit for: HONDA XR230 MOTARD XR250 MOTARD CRM250R AR Size: Like the picture show The chain tensioner is best for your chopper project. This tensioner automatically adjusts while you ride via a very powerful torsion spring in which the tension is fully adjustable. Fitment: Universal fit for most motorcycle less than 400cc Of Motorcycle displacement colour: black Material: metal Package Contents: 1 * Piece Chain Tensioner