Shimano EW-WU111B Di2 Wireless Transmitter Unit - 3rd Group Black. Shimanos 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 SHIMANOs 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