With electronic shifting, a viable alternative to gear cables has finally emerged, but there were plenty of missteps – or should we say misshifts – along the way. In the mid ’90s, US brand SAFE created a cable- actuated, hydraulically-powered rear mech, but it didn’t catch on. Meanwhile, Mavic were early adopters of electronics, introducing their Zap road system in 1992, powered by the movement of the chain itself (so no need for a motor and battery), and going wireless with its successor, Mektronic, in ’99. Shimano threw their hat into the ring with 1999’s Airlines system, where a pneumatic actuator in the shifter directed compressed air from a bottle to a ram at the mech, changing gears. Despite impressive results, it never went mainstream due to its high cost…
