Shimano 105 R7150 Di2 E-Tube Rear Derailleur

Shimano RD-R7150 105 Di2 E-Tube Rear DerailleurOffering faster, more precise rear shifting with wireless Di2 connectivity, this 12 speed rear derailleur is designed to deliver a new level of performance for road cycling. Part of Shimano's game-changing 7100 series, this model boasts a more compact design that integrates the wireless unit, charging port and function button, so you can effortlessly check the battery level and Bluetooth/ANT pairing success with your cycle computer, smartphone or tablet. Giving you a more customised feel, it also allows you to select your preferred shift mode and view adjustment mode information, if you wish to tweak or tune your rear derailleur.Rear Derailleur with Wireless Di2 ShiftingReceiving the wireless shifting signal from the shift lever, the Shimano 105 rear derailleur completes a shift in the blink of an eye with its high-performance motor and optimised link structure. This is the hub of the Di2 system, with the charging port, indicator LEDs, adjustment switches and more integrated into a compact package. A low-profile design reduces damage from contact and falls.Direct Mount Rear DerailleurRear wheels are easier to remove with a mounting option for Shimano Shadow RD and Shimano Shadow RD+. The direct mount feature is designed to suit a wide range of contemporary frames with large-section chainstays.E-Tube ProjectShimano's E-Tube Project Cyclist application allows you to customise your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with the E-Tube Project Professional application.E-Tube RideShimano's E-Tube Ride application allows you to visualize your ride with a route map to your destination, a real time ride data display, and ride record data on your smartphone while you are on your bike. You can also upload your ride log data to Strava.Shimano Shadow RDThis rear derailleur features Shimano Shadow RD mechanism that is intended for more aggressive riding. Its super low-profile design carries many benefits. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.Features: Use: Road Rear Speed: 12 speed Low Sprocket Max: 36T Low Sprocket Min: 34T Top Sprocket Max: 11T Top Sprocket Min: 11T Max Front Difference: 16T Total Capacity: 41T Pulley Teeth: 11 Charging Cable: EW-EC300 Connectivity: Bluetooth, ANT+ Di2 Connectivity: Yes Firmware update by E-Tube Project: YesTechnologies: - Compact design includes an integrated wireless unit, charger, and switch. - LED status indicator. - Battery indicator. - Pairing. - Adjust mode. - Wider range capacity. - Max. low sprocket: 36T.Manufacturer's Part Numbers: RDR7150A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.