Shimano have launched it's first wireless Di2 computer, compatible with Dura-Ace 9070, Ultegra 6870 Di2 and Ultegra 6770 E-tube systems.This article Shimano ...http://feedproxy.google.com/~r/cyclingweeklycouk/feeds/rss/newsxml/~3/xs9ZJ5i6XzE/story01.htm