Aluminum Adjustable Chain Tensioner for Yamaha Raptor 250 YFM250R 4 Holes

Specification Fit for: Yamaha Raptor 250 all years Material: 6061 T6 Aluminum Process: Forged & CNC Machined Surface Treatment: Anodized Roller: Polyurethane + Bearing Features Add multiple spring mounting points to make the tension adjustable. It keeps equal tension on your chain which reduces wear on both the chain and sprockets. Constant tension keeps the chain from harshly taking up slop when accelerating. Mounts to both footpeg holes in front of  the footpeg. Stainless fasteners and spring. Includes all fasteners needed including longer footpeg bolts. Provide for a great bearing surface without concern for wear.