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React 4

High performance 4 piston disc brake

React-4: Redefining Braking for the MTB Rider. At the heart of this innovative 4 piston brake system lies a formidable 4-piston hydraulic calliper, meticulously engineered to provide unmatched stopping power and precision control. Whether navigating steep descents or tackling challenging trails, React 4 ensures powerful, reliable performance in even the most demanding conditions.

  • Powerful 4 Piston hydraulic brake system

  • Smooth, powerful modulated braking

  • Self adjusting 16mm calliper pistons

  • Split-C lever bracket design

  • Lever reach adjustment to suit all hand sizes

  • Suitable for MTB and Hybrid bikes

  • Uses environmentally friendly mineral oil

  • International standard and post mount compatible

  • Complete brake set

  • Stainless steel rotors

  • Spare olives to allow for hose reduction

  • Weight - 315g

  • Complies with and exceeds EN15194 and ISO4210 regulations

Wheel Options

Front 160mm P.M./I.S. and Rear 160mm P.M./I.S.

Front 180mm P.M./I.S. and Rear 160mm P.M./I.S.

Replacement Disc Pads

Replacement Brake Disc Pad - VX/VRX/VRS851

For downloads and videos demonstrating how to maintain and fit our brake sets - click on the link below

'HOW TO' VIDEOS and RESOURCES

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