RX4 Flatmount Caliper yeti sb135 Optimum machining to give lightest

Optimum machining to give lightest weight without compromising stiffness

Integrated Headset

And all proudly designed

Unique expanding spline/arm interface (patent pending)

RX4-SR - Designed to work solely with Sram dropbar brake systems (Dot Fluid)

RX4 Flatmount Caliper yeti sb135 Optimum machining to give lightestThe RX4 caliper builds on 25 years experience designing and manufacturing hydraulic disc brakes and transfers the knowledge and skills acquired into the world of Road and Cyclocross dropbar brakes. A precision CNC machined monobloc design results in a stiffer caliper to give unrivalled feel and modulation. Choose from Shimano or Sram depending on your lever. Key Features Front flat mount hydraulic caliper to suit dropbar set ups Shimano or Sram