Hope RX4+ Disc Brake Caliper
Best premium upgrade for road and gravel cyclists seeking superior modulation.
This is the ultimate upgrade for drop-bar riders who find stock brakes lacking in bite. By swapping to this four-piston setup, you gain incredible modulation and stopping power on technical descents. It requires a bit more mechanical know-how to install, but the consistent, stiff lever feel is worth every minute in the workshop.
$150.50
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Who it's for
- Gravel riders seeking maximum control on steep, technical descents
- Long-term owners who prefer repairing gear over replacing it
- Enthusiasts looking for high-performance components with a custom boutique look
Who should skip it
- Home mechanics who prefer quick and effortless component swaps
- Weight-conscious racers prioritizing the lightest possible climbing setup
- Cyclists who frequently swap components between different drivetrain brands
Performance breakdown
Stopping Power
Four-piston architecture provides authoritative braking force on steep, technical descents.
Modulation Control
Exceptional lever feedback allows for precise speed scrubbing without locking wheels.
Build Integrity
CNC-machined monobloc aluminum eliminates flex for a rock-solid, consistent feel.
Maintenance Ease
Top-loading pad access makes quick swaps simple without removing the wheel.
System Compatibility
Seamless integration with major mineral oil road and gravel groupsets.
Weight Efficiency
Robust construction prioritizes durability and stiffness over absolute gram-counting.
Key Specs
Brake Type
Hydraulic Disc
Brake Fluid
Mineral Oil
Brake Mount
Flat Mount / Post Mount
Brake Pads
Organic/Resin
Number of Pistons
4-Piston
Material
2014-T6 Aluminum
Intended Use
Road Cycling, Gravel Cycling
Pad Type Compatibility
Hope Tech E4
Compatible Brands
Shimano, Campagnolo
Know before you buy
Still have a question?
Ask Metto anything about the Hope RX4+ Disc Brake Caliper before you decide.
