48 Curved Vanes Allow For Efficient Heat Dissipation; Enhancing Braking Performance,Suitable For Both Road And Track With Excellent Durability And Crack Resistance,High-Carbon G3500 Alloy Ensures Wear Resistance And Superior Performance In Extreme Conditions,EBC 2-Piece Discs Reduce Unsprung Mass For Better Driving Dynamics And Control,Patented SD-Drive Bobbins Allow Free-Floating Rings To Reduce Stress And Prevent Warping,EBC Racing 2-Piece Floating Discs Are Engineered For Top Quality And High Performance,Replaceable Outer Friction Ring Extends Lifespan; Reducing Long-Term Maintenance Costs