Pro connect sport dual drive. Kalkhoff.
This fast e-bike has two great new features: Its high performance 300W Panasonic motor and SRAM dual-drive shift concept. It combines a 3-speed internally geared hub with a finely tuned rear derailleur and 9 speed gear-set, resulting in 27 gears which ensure optimum power transfer. Thanks to three selectable travel modes, finding the right transmission […]