CAT5 are CNC manufactured to the tightest tolerances with a unique tooth design: color anodizing which excludes the sweeps, mud grooves and teeth for a flash of color
Vortex 1211-1006 Vehicle Fitment & Compatibility
Fitment data lists this product for 17 model-year applications, including Yamaha YZF R1S and Yamaha YZF R6, with listed model years from 2006 through 2019.