Improved braking performance under high load Exceeds the EN requirements (130 kg total weight) for front and rear wheel brakes Larger cooling disc allows for faster heat dissipation 30% higher braking power at the front and 10% higher braking power at the rear with the new brake lever gear ratio of the BL-C6010 For mounting with a quick release, the M10x4mm locking nut must be ordered additionally (65.38580)