Shimano 105 RD-R7150E Di2 Rear Derailleur - 12-Speed, For 2x12 Speed, Direct Mount, Black

The Shimano 105 RD-R7150 Di2 12-speed rear derailleur completes a shift in the blink of an eye with its high-performance motor and optimized link structure. This is the hub of the Shimano Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. 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 cycle computer/smartphone/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 Product Specifics Largest Cog: 36 Rear Der/Shifter Compatibility: Shimano Road Di2 Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Derailleur Mount Type: 10x1 Standard Drivetrain Speeds: 12 Chain Wrap Capacity (teeth): 41 Color: Black Weight: 302 Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 192790234229 EAN: Not available Manufacturer Part Number: Does Not Apply RD0163 181476-Q0-L