One variation of a bicycle propulsion system includes: hub adapter configured to install on a rear axle of a bicycle and apply torque to the rear axle through a rear disk brake of the bicycle; a first rotor element; a second rotor element cooperating with the first rotor element to form a circular outer drive surface around the rear disk brake; a set of hub adapter brackets configured to engage the hub adapter; a chassis configured to transiently couple to a frame element of the bicycle; a rotor retainer arranged on the chassis and configured to locate the first rotor element and the second rotor element relative to the chassis; a motor mounted to the chassis; and a drive assembly arranged on the chassis and configured to transfer torque output by the motor into the circular outer drive surface to rotate the rear axle via the set of hub adapter brackets.
BICYCLE PROPULSION SYSTEM FOR ELECTRIC BICYCLE CONVERSION
2025-01-23
Patent
Electronic Resource
English
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