The Hope RX4 Flatmount SRAM 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. For use with DOT brake fluid only!

A precision CNC machined monobloc design results in a stiffer caliper to give unrivalled feel and modulation.

Features

• RX4+ Flatmount Rear +20mm DOT Caliper
• The RX4+ supersedes the RX4 caliper
• Flat Mount +20mm version for dropbar set ups
• Designed to fit 160mm and 180mm disc rotors - depending on frame type
• 4-piston brake caliper
• Compatible with Sram hydraulic road bike lever
• Only for DOT 4 and DOT 5.1 liquid
• Machined from one piece for more stability

• Use: Road / Cyclocross / Gravel
• Model: RX4+
• Brake type: Disc-Brake
• Mount: rear
• Brake mounting: Flat-Mount +20
• Brake disc size: 160mm / 180mm (depending on frame type)
• Brake pads: Resin (organic) / Sintermetal
• Piston: 4 Slimline
• Brake fluid: DOT 4 / DOT 5.1

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

• Black

• CNC machined from 2014 T6 aluminium

• 1 Hope RX4+ Flat Mount SRAM Brake Caliper rear
• 1 pair brake pads sintered metal
• 1 pair brake pads resin (organic)
• 1 line connection kit
• 1 bleeding kit
• 1 mounting kit

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.