Shimano EW WU111B Di2 Wireless Transmitter Unit - 3rd Generation, Black | Compatible with Road & Mountain Bikes | Perfect for Electronic Shifting Systems

Shimano's EW-WU111B D-Fly wireless unit connects inline to a Di2 E-TUBE system enabling the use and connectivity of ANT+ and Bluetooth LE compatible accessories. It also allows the use of SHIMANO's smartphone and tablet E-TUBE PROJECT software for maintenance and system update

• Compatible with Shimano Road Di2 systems
• Compatible with Garmin Edge 1000 and PRO SCIO ANT+ cycling computer
• Powered by Di2 shifting system battery
• Dimensions: 38mm x 25mm x 12.5mm
• Weight: 5g