CLARKS React 4 Hydraulic Disc Brake Set - 4 Piston Hydraulic Brake System - 160mm Rotor Complete Brake Set Compatible with mountain bikes (MTB), Downhill and E-bikes

High-Performance 4-Piston Hydraulic System: Engineered for MTB and hybrid bikes, the React-4 features powerful 4-piston calipers with 16mm self-adjusting pistons that deliver smooth, modulated braking and consistent stopping power even on steep descents Complete Pre-Bled Brake Set: Includes fully assembled front and rear brake systems, pre-filled with mineral oil and ready to install. Comes with 180mm front and 160mm rear stainless steel rotors, 12 rotor bolts, 4 mount bolts, and spare olives for hose shortening Split-C Lever Bracket Design: Innovative lever design allows for easy installation without removing grips. Integrated reach adjustment ensures a comfortable fit for all hand sizes, enhancing control and rider confidence Universal Mount Compatibility: Compatible with both international standard and post mount setups, making it suitable for a wide range of frame and fork designs Mineral Oil System: Mineral oil for hydraulic fluid, offering reliable performance with reduced environmental impact and simplified maintenance