Shimano GRX RD-RD400 Rear Derailleur
Best reliable shifting for adventurous gravel riders.
This rear derailleur is built for the rigors of gravel. Its 10-speed compatibility and long cage offer versatility across varied terrain. Expect reliable, responsive shifting thanks to its mechanical actuation and durable construction, making it a dependable choice for your off-road adventures.
$74.99
at
Mike's Bikes
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Who it's for
- Gravel riders seeking reliable chain retention on challenging, uneven terrain.
- Cyclists tackling hilly routes or carrying gear on bikepacking adventures.
- Adventurous riders who demand long-lasting components for their gravel explorations.
Who should skip it
- Riders planning future drivetrain upgrades or desiring more gear options.
- Cyclists hoping to mix and match components from different road groupsets.
- Weight-conscious riders prioritizing every gram for competitive racing.
Performance breakdown
Shifting Precision
Crisp, mechanical indexing that handles rough gravel vibrations with ease.
Terrain Adaptability
Long cage geometry accommodates wide cassettes for steep, loose climbs.
Durability
Robust construction withstands debris and impacts common on off-road trails.
Maintenance Ease
Straightforward cable tension adjustments make home tuning quick and simple.
Chain Retention
Reliable tension keeps the chain secure over washboard surfaces and bumps.
Weight Efficiency
Solid build prioritizes longevity over shaving every possible gram.
Key Specs
Drivetrain Speeds
10-speed
Cage Length
Long
Front Chainring Compatibility
2x
Compatibility Chain Width
10-speed
Derailleur Type
Rear
Know before you buy
Still have a question?
Ask Metto anything about the Shimano GRX RD-RD400 Rear Derailleur before you decide.
