A number of variations may include an electric cycle powertrain having a first planetary gear set and a second planetary gear set, wherein the second planetary gear set is constructed and arranged to selectively overdrive a pedal cadence and wherein the first planetary gear set is constructed and arranged to selectively provide additional gear ratio for a motor.
Electric bike powertrain with dual planetary gear sets and ring gear pedal reaction torque measurement
2017-10-31
Patent
Elektronische Ressource
Englisch
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