Aluminum Chain Tension Adjuster Set: Promoto-MX> Overview Remove the stock injected molded adjusters and install the optional aluminum adjusters for precision adjustment and sharp looking parts installed in your rear swing arm. But that's not all! To complete your journey towards mastering tension adjustments, we invite you to visit the link below. There, you will find valuable information and detailed instructions on how to set the tension of your Promoto MX to achieve optimal results. > >