General information The Schlumpf gearbox is an ultra-flat planetary gearbox that is positioned on the right between the bottom bracket and chainring. The Schlumpf gearbox is operated by a kick...
Which electric cars? Stromer installed the Schlumpf Speed Drive on the ST1 T (brown) and ST1 S (green) models in 2016/2017,...
Maintenance Schlumpf recommends lubricating the gearbox once a year with 1-2 ml of the special lubricant 'MoS2-Fliessfett'. Every approx. 5,000 to 10,000 km...