The P1.9CR gearbox is designed for the modern all-round bicycle. Comfortable riding to work or for leisure is ensured by the evenly and closely spaced ratios of all gears. Combined with a hub motor at the rear of a pedelec, the P1.9CR gearbox represents the ideal combination of two self-contained systems. The powerflow sequence of „human-gearbox-motor“ protects the drive components against increased loading. 364% ratio. 9 x 17,5% even steps