Market: From autumn, fans of fat bikes, beach bikes and recumbent bikes can look forward to electric motor power at the rear. Three years after the introduction of the D-Series, the drive manufacturer BionX is rounding off its product line with a 170 mm retrofit version.
The BionX D-Series retrofit system for 26" tires, which will be available from autumn, has an axle with 170 mm x 10 mm and therefore fits frames with 170 mm dropouts. The motor with recuperation mode has an output of 250 watts and offers a nominal torque of 25 Newton meters, the maximum torque is 50 Newton meters. The driver can access four support levels, thanks to the controller, the hand does not have to be removed from the handlebars to regulate. The optional color display provides information about speed, distance and support parameters, among other things. The system is powered by a 48 volt lithium-ion battery with 11,6 Ah and 555 Wh. The cassette body is compatible with 9/10-speed cassettes from Shimano and SRAM. The manufacturer specifies the weight of the complete system as 8,4 kilograms, but unfortunately the price is not yet available.
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