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