EW-WU111B Di2 Wireless Transmitter Unit - 3rd Group, Black rim brakes GRID Trail 27

GRID Trail 27

Nobody likes soggy shorts

Seals protect internal components from dirt and moisture

and rebound damping (7-click)

The Terreno XC Race tire features a revolutionary fish scale tread pattern that rolls smoothly on straightaways and bites while cornering and braking

EW-WU111B Di2 Wireless Transmitter Unit - 3rd Group, Black rim brakes GRID Trail 27Shimano'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.