NexxRacing's: "JUD" EVO Flange Ring Pack. 10 different diameter Flange Rings for the Revolutionary: NXUSA-EVO Threaded, carbon, 2-piece, Mesh Spoked, "JUD" Racing Wheels! 1 Pair of each. 21.4, 21.6, 21.8, 22.0, 22.2, 22.4, 22.6, 22.8, 23.0, and 23.2 mm diameters! These revolutionary, laser etched, screw-on side wall covers will make any car faster, smoother and way more consistent than any other wheels and never fall or pop off. Used with the EXCUSIVE, Lock-On threaded NXUSA-EVO Carbon reinforced Wheels! High-Tech, "Lock on" variable angled sidewall " Flanged Rings" cover, cover the tire's sidewall and effectively, controls scrub, bite and lift of the sidewall resulting in remarkable and consistent higher speeds all over the track. (10) descending diameter Flange Rings Sets are provided to handle tire wear and changing track conditions. Built for racers, by racers, engineers, enthusiast. NX-EVO-Tool makes it effortless to install and remove. Get some! *Available in 3-set pack, 7 set pack and 10 set pack.