Hope

RX2 Shimano Flat Mount Disc Brake Caliper

The Hope RX2 Shimano Flat Mount Disc Brake Caliper delivers reliable braking performance in a compact, lightweight design built for modern road and gravel bikes. Designed to fit rear triangles and tight frame clearances, it offers the same confident stopping power as the RX4+ with a more streamlined 2-piston layout. Ideal for riders who want precision control and consistent modulation without adding unnecessary bulk.

This Shimano-compatible mineral oil version pairs seamlessly with a wide range of Shimano and Campagnolo hydraulic road systems, ensuring smooth integration and dependable performance on every ride. A redesigned bleed nipple makes maintenance cleaner and faster, keeping your setup performing at its best with less hassle.

• Compact flat mount design fits tight frame clearances and rear triangles
• Two-piston construction balances power and weight for road and gravel use
• Easy-bleed system with new nipple design simplifies maintenance
• Shimano mineral oil compatibility for seamless integration with select Shimano and Campagnolo systems
• Includes caliper and hose fittings; rotors and adapters sold separately

Compatible systems include Shimano Dura-Ace, Ultegra, 105, GRX, and select Campagnolo Ekar, Super Record, and Record models. The Hope RX2 caliper gives riders confident braking and smooth modulation on any ride—from fast road descents to rough gravel adventures.