Improved braking performance under high load Exceeds EN standards (100 kg total weight) for front and rear wheel brakes Larger cooling disc allows for faster heat dissipation 30% higher braking force at the front and 10% higher braking force at the rear with new brake lever gear ratio of the BL-C6010 For installation with quick release, the M10x4mm counter nut must be ordered additionally (65.38580)