Chain Tensioner Roller Heavy Duty Slider Adjuster for 49 66 80 Bike Engine Motorized

Application: The chain tensioner roller is applicable for 49 66 80 bike Engine Motorized , please check before ordering. Function: Keep the chain can in an appropriate tension during the process, so as to avoid chain slippage, jumping, tooth loss, etc. Fine Workmanship: Chain tensioner has rotoring and longer life. Easy to install, swing arm and helps chain correctly. Item Type: Chain Tensioner Roller Material: ABS, metal alloy Fitment: Fits for 49 66 80 bike Engine Motorized