Hope

RX4+ Disc Brake Caliper - Flat Mount, Mineral Oil, Blue

The Hope RX4+ Disc Brake Caliper takes precision braking to the next level with a refined, compact design built for modern road, gravel, and cyclocross performance. Crafted from decades of hydraulic expertise, this flat-mount caliper delivers the power and modulation riders expect from Hope, now in a sleeker, lighter package. Whether tackling fast descents or technical dirt sections, the RX4+ offers confident stopping power with minimal fuss.

Engineered for compatibility with specific Shimano or SRAM road levers, this caliper integrates seamlessly into your existing setup, offering a smooth, responsive feel with every pull. The 4-piston design ensures balanced braking and heat control, while top-entry pad installation makes maintenance fast and frustration-free. Finished in anodized blue, it’s as striking as it is functional.

• Compact 4-piston caliper delivers powerful, consistent braking for road and gravel use.
• Flat-mount design fits modern frames and forks with a clean, low-profile look.
• Top-entry pad install allows quick pad changes without removing the wheel.
• Compatible with mineral oil hydraulic systems—choose the version that matches your lever setup.
• Includes caliper and hose fittings; rotors and adapters sold separately.

For riders chasing uncompromising control and durability, the Hope RX4+ is a high-performance upgrade that feels just as precise on the tarmac as it does on the trail.