Shimano GRX ST-RX400 Brake/Shift Lever
Best ergonomic control for dependable gravel adventures.
Engineered for the unique challenges of gravel riding, this component prioritizes rider comfort and control on rough terrain. Its ergonomic shape and anti-slip lever surface provide a secure, confident feel, while the light, responsive shifting action ensures consistent performance across varied surfaces, making it a reliable upgrade for mixed-terrain setups.
$172.00
at
Blacksmith Cycle
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Who it's for
- Gravel riders seeking improved comfort and control on varied terrain
- Cyclists prioritizing reliable, strong braking performance in diverse weather
- Riders building or upgrading a durable 10-speed gravel or adventure bike
Who should skip it
- Cyclists planning to upgrade to higher-speed drivetrains in the future
- Weight-conscious riders building a performance-oriented, lightweight gravel bike
- Enthusiasts desiring the advanced functionality and feel of electronic shifting systems
Performance breakdown
Ergonomic Comfort
Gravel-specific shaping reduces hand fatigue on long, rough rides.
Braking Modulation
Hydraulic power offers precise, predictable stopping in mixed terrain conditions.
Shift Precision
Crisp, reliable gear changes even under heavy load or vibration.
Grip Security
Anti-slip lever texture ensures confidence when riding through technical sections.
Customization Range
Tool-based reach adjustment accommodates a wide variety of hand sizes.
Build Durability
Robust construction withstands the inevitable abuse of off-road gravel cycling.
Key Specs
Adjustable Reach
Yes
Brake Lever Use
Right
Color
Black
Drivetrain Speeds
10
Front Der/Shifter Compatibility
Shimano Road
Hydraulic Fluid Type
Mineral Oil
Rear Der/Shifter Compatibility
Shimano Road
UPC
192790448558
MPN
ISTRX400RBI
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