Shimano GRX RD-RX400
Best reliable entry level component for budget gravel builds.
Designed for gravel enthusiasts, this component brings stability and precision to rough-terrain riding. Its integrated clutch mechanism effectively manages chain movement, ensuring consistent shifting even when the path gets bumpy. It is a reliable, lightweight upgrade for 10-speed setups that demand durability and performance.
$67.50
More GRX options
Shimano GRX RX815 Rear Derailleur
$359.99
Shimano GRX RX400 Front Derailleur
$43.00
Shimano GRX Front Derailleur
$59.99
Shimano Stabilizer Unit
$14.00
Shimano GRX RX812 Rear Derailleur
$119.99
Shimano RD-RX820 Pulley Set
$25.00
Shimano Rear Derailleur Pulley Set
$25.99
Shimano GRX RX815 Derailleur
$290.00
Shimano GRX DI2 Rear Derailleur
$400.00
Shimano GRX Di2 Front Derailleur
$225.00
Shimano GRX RX810 Front Derailleur
$65.00
Shimano GRX RX400 Rear Derailleur
$60.99
Shimano GRX FD-RX815-F
$290.00
Shimano GRX RD-RD400 Rear Derailleur
$74.99
Shimano GRX Rear Derailleur
$145.00
Shimano GRX RX817 Di2 Rear Derailleur
$400.00
Shimano GRX RD-R815
$349.99
Shimano GRX RD-RX825
$445.00
Shimano GRX RD-RX815
$359.99
Shimano GRX RD-RX822-SGS
$145.00
Shimano GRX RX810
$117.99
Shimano GRX RX400 Front Derailleur
$43.00
Shimano GRX FD-RX820-F Front Derailleur
$70.00
Shimano GRX RD-RX825 Di2
$445.00
Shimano GRX FD-RX820-F
$70.00
Shimano GRX RD-RX820
$70.00
Shimano GRX RD-RX827
$565.00
Shimano GRX FD-RX815
$289.99
Shimano GRX Di2 Rear Derailleur
$400.00
Shimano GRX RD-RX825 Di2
$445.00
Shimano GRX RD-RX717 Di2 Rear Derailleur
$435.00
Who it's for
- Gravel riders seeking a quiet and secure drivetrain on bumpy trails
- Cyclists transitioning from pavement to unpaved roads
- Budget-conscious adventurers needing reliable gear for long-distance bikepacking
Who should skip it
- Performance-oriented riders planning to upgrade to 11-speed components
- Mountain climbers requiring ultra-low gearing for steep, technical ascents
- Weight-conscious racers looking to minimize every gram on their setup
Performance breakdown
Chain Stability
The clutch mechanism effectively eliminates chain slap on technical gravel descents.
Shifting Precision
Crisp, reliable gear changes even under heavy load or muddy conditions.
Durability
Robust construction withstands the harsh vibrations of off-road riding environments.
Weight Efficiency
Solid build quality adds slight heft compared to premium race-focused components.
Terrain Versatility
Handles mixed-surface riding with consistent performance across varied gear ratios.
Maintenance Ease
Straightforward mechanical design makes adjustments simple for the home mechanic.
Key Specs
Weight
303g
Material
Carbon/Aluminum
Speed Compatibility
10 speed
Max Rear Cog Teeth
36T
Min Rear Cog Teeth
11T
Total Capacity
41T
Cage Length
Long
Mount Type
Direct Attachment
Shifting Type
Mechanical
Intended Use
Gravel
Know before you buy
Still have a question?
Ask Metto anything about the Shimano GRX RD-RX400 before you decide.
