Hope Rx4+ Disc Brake Caliper

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.

• High-precision monobloc CNC-machined design enhances stiffness for improved braking feel and modulation, ensuring confident stopping power on road and cyclocross bikes.
• Constructed from lightweight yet durable 2014-T6 aluminum, the Hope RX4+ caliper offers optimal strength-to-weight ratio, reducing rider fatigue without compromising performance.
• Versatile hybrid design compatible with 140mm, 160mm, and 180mm rotors provides exceptional braking performance across various riding disciplines, including road, cyclocross, and gravel.
• Features top-entry pad fitting for easy installation and maintenance, along with a fully serviceable hydraulic system to extend product lifespan and ensure consistent brake performance.
• Incorporating innovative flat mount brake caliper technology with DOT fluid compatibility, the Hope RX4+ delivers reliable, powerful braking with superior modulation and a sleek black finish for a modern, streamlined look.