EW-WU111B Di2 Wireless Transmitter Unit - 3rd Group, Black rim brakes Seals protect internal components from

Seals protect internal components from dirt and moisture

or the drops

light mode toggle switch

Deore XT (M8120

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 Seals protect internal components fromShimano'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.