Features: This chain tensioner ensures fit and enhances chain performances, keeping your motorcycle's transmission system in condition. Crafted from aluminum alloy, it is lightweight, wear resistant, and highly corrosion resistant, ensuring long lasting durability and precisions chain tensioning. Ideal for motorcycle owners seeking improved experience and performances, as well as adventure riders and enthusiasts who demand stability across various terrains. It maintains chain stability during bumps and intense movements, while also allowing quick tension adjustments during routine maintenance to enhances vehicle performances. With its stylish design, this chain tensioner not only boosts functionality but also adds to the aesthetic appeal of your motorcycle, making it a must have accessory for racing or competitive environments. Specifications: Material: Metal Size: About. 7x9cm/2.76x3.54in Applicable Model: for CRF150R CRF250X CFR250R CRF450R Package Includes: 1pc Chain Tensioner note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.