An idler sprocket works to maintain and stabilize proper chain tension. This sprocket gear can assist in guiding chains around barriers, and it prevents vibrations and chain wear and tear. Our idler sprocket supply features hardened steel construction. Our corrosion resistant composite sprocket idlers require no lubrication for use, and are designed with wear-resistant glass-reinforced nylon materials. Similarly, we carry chain sprockets that mesh with chains as wheels rotate. We also have a large selection of chain links in various construction materials, and our chain and sprocket selection carries roller chains that start in 10 ft. increments and go higher.