The RX4+ caliper supersedes the RX4 caliper and 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.

• Dot Fluid Calipers will have Bore Caps with a D etched.
  
• Mineral Oil Caliper will have Bore Caps with an M etched.
  
• Calipers to suit dropbar set ups - Flat Mount front & rear & Post Mount
  
• Calipers designed to fit 140, 160 & 180mm rotors 
  
• 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

Shimano Compatible Calipers (RX4+)

• Dura Ace Di2 R9270 / R9170 / R9120 / R9200
  
• Ultegra Di2 R8170 / R8100 / R8070 / R8170 / R8020 /
  
• 105 Di2 R7170 / R7020 / Di2 R785 / RS685 /
  
• GRX RX820 / RX810 / RX600 / RX400 / RX815 Di2 / RX817 Di2

Campagnolo Compatible Calipers (RX4+)

• Ekar
• Super Record
• Record
• Campagnolo H11

SRAM Compatible Calipers (RX4+) dropbar brake systems (Dot Fluid)

• Sram Red eTap AXS / Sram Red /
• Sram Force eTap AXS / Sram Force
• Sram Rival eTap AXS / Sram Rival
• Sram Apex / Sram S900