Stefan Schumacher of Germany speeds down Ombarde Pass using Shimano's Di2 electronic shifting system during the 2008 Tour De France. Photo: Christophe Ena/AP Japanese parts manufacturer Shimano is ...
With four electronic shifting systems available, Shimano Di2, SRAM AXS, Campagnolo Wireless and FSA K-Force WE, there's more choice than ever if you want to get rid of mechanical gear cables. Here, we ...