Shimano GRX Di2 ST-RX815
Best electronic shifting upgrade for serious gravel and adventure cyclists.
These electronic shifters turn chaotic gravel descents into controlled, predictable experiences. The raised hood design and grippy texture lock your hands in place, trading a bit of traditional road aesthetics for the unwavering stability and reduced fatigue you actually need when the terrain gets rough.
$330.00
Who it's for
- Gravel racers seeking maximum control and comfort on technical descents
- Performance-oriented riders who prioritize consistent shifting in harsh environments
- Long-distance cyclists wanting to minimize hand strain during technical rides
Who should skip it
- Budget-conscious riders looking for a more affordable drivetrain solution
- Remote bikepackers who prefer the simplicity of mechanical systems
- Aggressive riders frequently tackling high-risk terrain where crashes are likely
Performance breakdown
Ergonomic Comfort
Raised hoods and textured grips keep hands secure on rough terrain.
Braking Leverage
Higher pivot point provides exceptional stopping power with minimal finger effort.
Shifting Precision
Electronic Di2 actuation delivers flawless, instantaneous gear changes every single time.
Customization Options
Reach adjustment accommodates diverse hand sizes for a truly personalized fit.
Build Durability
Rugged construction withstands the vibrations and impacts of aggressive gravel riding.
System Integration
Seamlessly syncs with the broader Di2 ecosystem for reliable electronic performance.
Key Specs
Intended Use
Gravel Cycling
Shifter Type
Electronic Shifter, Integrated Brake/Shifter
Drivetrain Speed
11 Speed
Front Chainring Compatibility
2x
Derailleur Compatibility
Shimano Di2
Mounting Position
Left
Integrated Brake Lever
Yes
Lever Reach Adjustable
Yes
Weight
373 grams
Gear Indicator Display
No
Know before you buy
Still have a question?
Ask Metto anything about the Shimano GRX Di2 ST-RX815 before you decide.
