If it was invented in the 21st century we'd know better and knowing what we know... it'd have Di2 ;-)
It would be amazing to see them making that system with Di2.
@edscoble started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
If it was invented in the 21st century we'd know better and knowing what we know... it'd have Di2 ;-)