Shimano Ultegra R8050 Di2 Rear Derailleur
Best electronic shifting for serious road cyclists.
This component delivers precise, reliable shifting performance for road cyclists seeking a balance of durability and weight. Its low-profile design protects against impact while ensuring smooth gear changes across a wide range of terrain, making it a staple for endurance and race setups.
$109.95
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Who it's for
- Cyclists seeking flawless, reliable shifting performance on every ride
- Riders who appreciate tailoring their bike's performance to personal preferences
- Aggressive riders and commuters concerned about component longevity and protection
Who should skip it
- Value-focused cyclists or those on a strict budget
- Riders who prefer maintenance-free systems or often forget to charge devices
- Home mechanics or those without access to specialized bike shop services
Performance breakdown
Shift Precision
Electronic actuation delivers flawless, consistent gear changes every single time.
Weight Efficiency
Lightweight construction keeps your bike agile without sacrificing necessary structural durability.
Crash Resilience
Low-profile Shadow design tucks the derailleur safely away from potential impacts.
System Integration
Synchronized shifting creates a seamless, intuitive experience between front and rear.
Setup Complexity
Requires specific electronic knowledge, but tuning is significantly easier than mechanical.
Gear Range Versatility
Accommodates a wide variety of cassette sizes for diverse riding terrain.
Key Specs
Average Weight
242 grams (SS type), 249 grams (GS type)
Short cage covers
11-25T to 11-30T
Medium cage covers
11-28T to 11-34T
Electronic shifting
Shimano Di2 protocol
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