Luna has teamed with Vortex to make the blingiest SurRon sprocket ever! VORTEX Chain Ring made to fit perfectly with our CR80 Adapater. Countersunk holes and motorcycle grade, the VORTEX Chain Ring is made out of beautiful machined 6061 AL for the ultimate combo of light weight and performance.  When coupled with our heavy duty CR80 Adapter with Aircraft quality parts, this is the ultimate rear wheel sprocket upgrade for your Surron X.