Shimano 105 Di2 RD-R7150 Di2 Rear Derailleur (Black) (12 Speed) (Electronic)

Shimano 105 R7150 Di2 Rear Derailleur Description: The Shimano 105 R7150 Di2 12-speed rear derailleur completes shifts in the blink of an eye with its high-performance motor and optimized link structure. The derailleur is the hub of the Shimano Di2 system, with the charging port, indicator LEDs, adjustment switches, and more integrated into a compact package. E-Tube ensures riders a simple setup and tuned derailleur for trouble-free riding. Features: Low-profile Shimano Shadow RD design reduces damage from contact and falls Receive the wireless shifting signal from the shift lever Check the battery level and Bluetooth/ANT pairing success with your bike computer, smartphone, or tablet Allows selection of preferred shift mode and view adjustment mode information (if you wish to tweak or tune your rear derailleur) Smartphone/tablet connectivity via E-Tube Project app Di2 charging cable sold separately Specifications: Speed: 2 x 12 Speed Shifter Compatibility: Shimano Di2 Shift Mechanism: Electronic (Wireless/Wired) Max. Tooth: 36T Min. Tooth: 11T Chain Wrap Capacity: 41T Cage Material: Steel Chain Retention: Shadow Color: Black Weight: 302g