Induction hardened stainless steel rotor with a hard anodized aluminum hub EPTA disc floatation mechanism, with grooves with ventilation holes for better cooling of interface zone Optimized lightening holes to avoid vibration onset Straight 3 mm thick crests protrude from wave shape to outer diameter of the disc forming a radiating area untouched by the pads but with higher thermal inertia than the rest of the disc - Honda CBR1000RR (2008, 2015, 2013, 2011, 2014, 2010, 2012, 2009)
