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Shimano launch Di2 Wireless Unit to monitor electronic shifting systems

D-Fly Data Management System allows riders to monitor gear position and battery life

Wireless monitoring of  Shimano’s Di2 electronic shifting systems, allowing riders to view gear position, battery life and other common rider data functions from a handlebar-mounted computer, will be offered by the Japanese giant’s new “D-Fly” unit.

The retro-fit Di2 Wireless Unit features the new Shimano D-Fly Data Management system, which the Japanese firm says will add another dimension to the experience of its electronic shifting systems.

Compatible with the Dura-Ace 9070, Ultegra 6870 Di2, and Ultegra 6770 electronic shifting systems, all of which use the proprietary E-Tube connection, the unit wirelessly connects users to their Di2 data using a cycling computer.

The D-Fly unit transmits information from Shimano Di2 electronic shift systems to ANT+ enabled computers

It can be easily plugged into the E-tube wiring system, and the unit – called SM-EWW01 – connects Di2-equipped bikes to a compatible wireless cycle computer.

Weighing less than five grams, it is a slender device, measuring  just 38mm long, 25mm wide, and 12.5mm in height.

It is powered by the same Di2 battery which drives the Di2 shifting system, and transmits data through a proprietary private ANT wireless protocol.

Although upon its introduction the unit will only be compatible with the SCIO ANY+ cycling computer – the new 80-gram cycling computer from Shimano house brand PRO – it is intended to increase its compatibility to include other cycling computers throughout the first period of the year.

It will be available in the UK from March 2014 onwards, costing £69.99.

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