Idler sprockets are used in several different fashions within a chain drive. The most common functions of an idler are to take up slack, provide clearance, guide chain through direction changes and help reduce vibration. Normally these will be installed in a fixed position to a tension arm.
Made In USA
We know machines are tough on idlers, which is why idlers by Nitro are Made In USA and fitted with a high quality sealed bearing for optimum performance.