The Alcon Billet R5 4-Pot rear caliper delivers precision engineering with dual Ø31.8mm pistons in a forged billet aluminum construction. Engineered for superior rigidity and thermal stability, this rear caliper provides progressive modulation and fade resistance essential for both road and circuit applications. Alcon's track-proven design and precision manufacturing ensure consistent performance under extreme braking loads.

Key Features

Piston Configuration: Dual Ø31.8mm bore sizing for balanced pressure distribution and progressive modulation
Construction: Forged billet aluminum body delivers superior rigidity and thermal stability compared to cast alternatives
Reduced Flex: Precision-engineered construction minimizes caliper flex under extreme braking loads
Heat Management: Enhanced thermal stability maintains consistent pedal feel during sustained braking
Manufacturing Precision: Tight manufacturing tolerances ensure optimal piston-to-bore clearances
Pad Compatibility: Works with Alcon's proprietary friction pad compounds for maximum stopping power
Application: Performance road, track day, and motorsport rear brake applications

Performance Benefits

Progressive Modulation: Dual piston design provides precise pedal feel and control
Fade Resistance: Superior thermal management reduces brake fade during extended use
Consistent Performance: Billet construction ensures repeatable braking lap after lap
Extended Service Life: Premium materials and precision engineering maximize service intervals
Professional Grade: Track-proven design trusted by professional racing teams worldwide