The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets.
-100% machined, no stamping or grinding -Optimal tooth thickness results in maximum tooth and chain contact
Fits 2013-on RR, 2014-on RS models, and XTrainer
Moose Racing Beta Aluminum Sprocket (Late) Red Produced by Moose Racing of USA
Seth in parts was super helpful to ensure I was getting the right part and knew how to use it
Seth in parts was super helpful to ensure I was getting the right part and knew how to use it. I am definitely a Sierra loyal even though I love several states away and have more local dealers. They’ve earned my business!