Shimano GRX DI2 Rear Derailleur
Best electronic upgrade for gravel riders seeking precise, reliable shifting.
Engineered for the rigors of gravel, this electronic rear derailleur offers a stable drivetrain with its integrated clutch. It provides precise shifting via Shimano Di2, ensuring reliable performance across diverse and challenging surfaces. The long cage design maximizes gear range for varied terrain.
$400.00
at
Howler Bike Park (shop)
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Who it's for
- Competitive gravel racers demanding flawless, reliable gear changes
- Off-road riders tackling rough terrain needing maximum chain security
- Tech-savvy cyclists who enjoy customizing their shifting performance
Who should skip it
- Budget-conscious riders prioritizing value over electronic shifting benefits
- Bikepackers venturing into remote areas without reliable power access
- Cyclists who prefer simple, field-serviceable mechanical components
Performance breakdown
Shifting Precision
Electronic actuation eliminates cable stretch for flawless gear changes every time.
Chain Security
The integrated clutch mechanism virtually eliminates chain slap on rough terrain.
Gearing Versatility
Long cage design handles steep climbs and fast descents with ease.
Durability
Robust construction withstands the harsh realities of off-road gravel riding.
Setup Complexity
Requires Di2 software knowledge, but configuration is straightforward once connected.
Weight Efficiency
Solid performance-to-weight ratio for a durable, clutch-equipped electronic component.
Key Specs
Drivetrain Speeds
11
Derailleur Position
Rear
Shifting Type
Electronic
Electronic Protocol
Shimano Di2
Mount Type
Hanger
Cage Length
Long
Front Chainring Compatibility
1x
Max Rear Cog Teeth
42T
Total Capacity
31T
Weight
323 grams
Know before you buy
Still have a question?
Ask Metto anything about the Shimano GRX DI2 Rear Derailleur before you decide.
