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2. BionX - Wikipedia

   en.wikipedia.org/wiki/BionX

   BionX motors were typically mounted into an oversized rear wheel hub and were noted for their low noise; regenerative braking capability and hub-embedded motor controller. The D series of motors was the most recent and strongest BionX technology with a torque of 25/50 Nm. The motor cylinder was larger but thinner than previous versions and ...

3. Bicycle drivetrain systems - Wikipedia

   en.wikipedia.org/wiki/Bicycle_drivetrain_systems

   Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels. Most also include some type of a mechanism to convert speed and torque via gear ratios .

4. Vehicle classification by propulsion system - Wikipedia

   en.wikipedia.org/wiki/Vehicle_Classification_by...

   Electric motor can start the engine with vehicle in gear making take-off with stalled combustion engine smooth and instantaneous. [10] 48V starter-generator can also be mounted differently and be uncoupled from combustion engine by transmission or clutch. This might allow 48V electric motor move the vehicle without starting combustion engine.

5. Whizzer (motorcycles) - Wikipedia

   en.wikipedia.org/wiki/Whizzer_(motorcycles)

   Whizzer bicycle engines are a line of bicycle engines that were produced in the United States from 1939 to 1965. They were commonly sold as kits to be assembled and attached to a consumer's bicycle thus creating a motorized bicycle. Whizzer U.S.A. re-appeared in 1997 to sell an improved version, pre-assembled on an old Schwinn-style bicycle frame.

6. Wheel hub motor - Wikipedia

   en.wikipedia.org/wiki/Wheel_hub_motor

   Raleigh SC30 converted to an electric bicycle with an aftermarket electric conversion hub motor kit. A wheel hub motor, hub motor, or in-wheel motor is a motor that is incorporated into the hub of the wheel. Wheel-hub motors are commonly found on electric bicycles.

7. NuVinci continuously variable transmission - Wikipedia

   en.wikipedia.org/wiki/NuVinci_Continuously...

   The NuVinci CVT system has a small number of parts. [5] [6] Most CVTs have lower mechanical efficiency than competitive conventional transmissions.Since any CVT may allow a power plant, human or motorized, to operate at (or closer to) its speed of optimal efficiency, output torque or output power, the NuVinci CVT may improve a system's overall efficiency or performance compared to a ...