It's not every day that we have the opportunity to measure the weights of different systems. Usually, everything is so intertwined with everything else, that it's hard to pin down exact weight differences of comparable items and components.
This is a custom build-up of an ICE Sprint X with a rear suspension, Bionx 350W electric-assist built into a 700c rear wheel, and 90mm Sturmey-Archer drum brakes.
