Hope RX4+ Disc Brake Caliper
Best performance upgrade for discerning riders seeking superior braking power.
A high-performance hydraulic upgrade designed specifically for road and gravel setups. It delivers reliable, consistent stopping power in a sleek, durable package that integrates cleanly with modern flat-mount frames.
$159.40
at
Mojo Cyclery
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$159.40
Hope RX4+ Disc Brake Caliper
$159.40
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$159.40
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$159.40
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Hope RX4+ Disc Brake Caliper
$159.40
Hope RX4+ Disc Brake Caliper
$159.40
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Hope RX4+ Disc Brake Caliper
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Who it's for
- Cyclists seeking superior stopping power and confidence on varied terrain.
- Riders who value fine-tuned brake feel and consistent performance.
- Long-term owners desiring robust, maintainable components for their bikes.
Who should skip it
- Budget-conscious riders or those upgrading from entry-level components.
- Users with mixed component groups or less common brake levers.
- Riders sensitive to brake noise or those in consistently wet climates.
Performance breakdown
Stopping Power
Hydraulic precision delivers immense, predictable force in any weather condition.
Modulation Control
Excellent lever feel allows for nuanced, granular speed adjustments.
Build Quality
CNC-machined aluminum construction sets the industry standard for durability.
Installation Ease
Flat-mount standard simplifies setup, though bleeding requires careful attention.
Heat Management
Efficient fluid displacement keeps braking consistent during long, technical descents.
Aesthetic Appeal
Striking anodized finish adds a premium, custom look to any build.
Key Specs
Brake Lever Actuation
Hydraulic
Brake Caliper Type
Flat Mount
Brake Position
Rear
Hydraulic Fluid Type
DOT
Color
Red
Rotor Included
No
Know before you buy
Still have a question?
Ask Metto anything about the Hope RX4+ Disc Brake Caliper before you decide.
