Shimano Ultegra R8050 Di2 Rear Derailleur
Best electronic shifting for serious cyclists seeking reliability and precision.
This electronic derailleur turns gear changes into a seamless, intuitive experience that lets you focus entirely on the road ahead. The low-profile design is a brilliant safeguard against crash damage, though you’ll need to commit to the battery-dependent ecosystem to unlock its precise, effortless shifting performance.
$289.99
at
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Who it's for
- Cyclists seeking ultimate shifting accuracy and reliability on every ride.
- Riders prioritizing comfort and ease of operation during extended cycling sessions.
- Enthusiasts desiring a clean bike aesthetic and enhanced component durability.
Who should skip it
- Budget-conscious riders looking for cost-effective drivetrain solutions.
- Cyclists who prefer maintenance-free systems without battery concerns.
- DIY mechanics or those without access to professional bike shops.
Performance breakdown
Shifting Precision
Electronic actuation delivers flawless, near-instant gear changes every single time.
Crash Resilience
The low-profile Shadow design tucks neatly away from potential impact zones.
Drivetrain Integration
Synchronized shifting simplifies gear selection for a more intuitive riding experience.
Weight Efficiency
Lightweight construction balances durability with the demands of competitive road racing.
Setup Versatility
Wide compatibility handles diverse gear ranges for both flats and climbs.
Reliability
Consistent performance across varied terrain makes this a race-day workhorse.
Key Specs
Derailleur Position
Rear
Speed Compatibility
11-speed
Mount Type
Hanger
Shifting Type
Electronic
Max Rear Cog Teeth
34T
Min Rear Cog Teeth
11T
Cage Length
Medium
Intended Use
Road
Weight
242 grams
Electronic Protocol
Shimano Di2
Know before you buy
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