Features: Enhances your cycling performances with this pair of drive chain adjusters, designing to significantly extend the life of your bicycles chain and boosts riding efficiency. Crafted from rustresistant metal, these chain adjusters add a touch of styles to your bike setups, featuring easy installstion mechanism for hassle frees tension adjustments. For all cycling enthusiasts, from professional cyclists to leisures riders, these chain adjusters cater to anyone look to maintain best chain tension for a smoother ride. Whether you're commuting through the city, tackling mountain trails, or cruising on the highway, these chain adjusters ensures consistent chain tension for a seamlessly cycling experience across various terrains. These drive chain adjusters are a must having accessory for any cyclist seek to upgrades their bike performances and reliability cycling gear marketplace. Specifications: Component:Metal Size:As Picture Shown For CRF150F CRF230F CRF250F Package Includes: 1 Pair Chain Tensioner note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.