Hope RX4 Flat Mount Disc Brake Caliper (Red)

The 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.

Front and Rear flat mount hydraulic caliper to suit dropbar set ups
Shimano or Sram specific caliper
Slimline 4 piston lightweight design
Monobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rub
Top entry pad fitting
CNC machined from 2014 T6 aluminium

RX4-SH Caliper - Compatible with Shimano (Mineral Oil) and Campagnolo (Campy/Magura fluid) dropbar brake systems:
Shimano Dura Ace Di2 R9170, Dura Ace R9120, Ultegra Di2 R8070, Ultegra R8020, 105 R7020, Di2 R785, RS685, Campagnolo Super Record, Record, H11

RX4-SR Caliper - Compatible with Sram dropbar brake systems (Dot 5.1 Fluid):
SRAM Red eTap HRD, Red HRD, Force HRD, Rival HRD, Apex HRD

Mfr Claimed Weight
122g (Shimano, inc pads)
105g (SRAM, inc pads)