TRP S05E Race Disc Brake RotorBorn and bred on the World Cup Downhill circuit the TRP S05E 2. 3mm thick disc brake rotor was created to meet the ever increasing demands of the worlds fastest riders. Boasting a 10% improved deceleration rate and increased surface area for improved heat dissipation you'll stop faster and have more control over your braking than ever before. New hole pattern and increased service area for improved heat management Improved temperature stability over