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Provided herein is a power assisted motorized vehicle which can be operated in a manual mode or a motorized mode or in a combination of manual and motorized modes. The vehicle includes, inter alia, a frame connected to at least one fork capable of supporting a wheel having a first driven sprocket as

Provided herein is a power assisted motorized vehicle which can be operated in a manual mode or a motorized mode or in a combination of manual and motorized modes. The vehicle includes, inter alia, a frame connected to at least one fork capable of supporting a wheel having a first driven sprocket assembly and a second driven sprocket assembly, a rechargeable electrical power supply attached to the frame, a motor controller attached to the frame, an electric motor supported by the frame and attached to a first driving sprocket which is coupled to the first driven sprocket assembly and a manual pedal assembly supported by the frame and comprising a pedal crank shaft with two pedals and a second driving sprocket which is coupled to the second driven sprocket assembly.

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1. A power assisted vehicle comprising: a frame connected to a front fork supporting a front wheel and a rear fork supporting a rear wheel, the rear wheel having a first driven sprocket assembly and a second driven sprocket assembly;a rechargeable electrical power supply attached to the frame;a moto

1. A power assisted vehicle comprising: a frame connected to a front fork supporting a front wheel and a rear fork supporting a rear wheel, the rear wheel having a first driven sprocket assembly and a second driven sprocket assembly;a rechargeable electrical power supply attached to the frame;a motor controller attached to the frame;an electric motor supported by the frame and attached to a first driving sprocket which is coupled to the first driven sprocket assembly on the rear wheel;a motor drive member directly connecting the first driving sprocket and the first driven sprocket assembly on the rear wheel;a manual pedal assembly supported by the frame and comprising a pedal crank shaft with two pedals and a second driving sprocket which is coupled to the second driven sprocket assembly on the rear wheel; anda pedal drive member directly connecting the second driving sprocket and the second driven sprocket on the rear wheel;wherein the center of mass of the motor is forward of the pedal crank shaft;wherein the motor is bi-directionally coupled to the rear wheel, and the pedal assembly is uni-directionally coupled to the rear wheel;wherein the location of the electric motor intersects or is tangent to the area defined by rotation of the pedal assembly; andwherein the power supply is electrically connected to the motor controller. 2. The vehicle of claim 1, wherein the frame is substantially curved. 3. The vehicle of claim 1 further comprising a seat supported by the frame. 4. The vehicle of claim 1 further comprising a center stand attached to the frame. 5. The vehicle of claim 1, wherein the electric motor and a center stand are attached to a motor mount which is supported by the frame. 6. The vehicle of claim 1, wherein the power supply is at least one battery. 7. The vehicle of claim 6, wherein the battery is a lithium ion battery. 8. The vehicle of claim 7, wherein the battery comprises: a housing with at least one cell tap and at least one electrical connector; andbattery bricks arranged in series within the housing;wherein the bricks comprise cells arranged in parallel. 9. The vehicle of claim 1, wherein the vehicle is motorized cycle. 10. The vehicle of claim 1, wherein the vehicle is a manually assisted moped. 11. The vehicle of claim 1, further comprising a headlight attached to the front fork. 12. The vehicle of claim 1, further comprising: a first cable harness housing attached to the front fork, said cable harness housing pivoting with the front fork;cable harness electronics attached to the first cable harness housing;a second cable harness housing attached to the frame; anda cable harness twisting member that connects the first cable harness housing with the second cable harness housing, said cable harness twisting member being substantially co-linear with the pivoting axis of the front fork;wherein pivoting of the front fork rotates the first cable harness housing relative to the second cable harness housing. 13. The vehicle of claim 1, further comprising a throttle assembly comprising: a first housing attached to the frame;a throttle cable housing supported by the first housing;a plurality of signal wires attached to the first housing;an electromechanical transducer attached to the first housing comprising a transducer shaft; and a pulley attached to the transducer shaft; anda throttle cable attached to the pulley;wherein the signal wires are electrically connected to the motor controller. 14. The vehicle of claim 1, further comprising a battery saddle assembly attached to the frame comprising a battery saddle slidably coupled to a fixed frame; anda battery retainer;an electrical connection coupled to the frame; andan unbiased and lockable battery saddle actuation lever. 15. The vehicle of claim 14, wherein the battery retainer further comprises a first battery retainer interfacing with the front of a battery and a second battery retainer interfacing with the rear of a battery. 16. The vehicle of claim 15, wherein the first battery retainer is coupled to the front of the battery saddle. 17. The vehicle of claim 15, wherein the second battery retainer is coupled to the rear of the saddle. 18. The vehicle of claim 14, wherein a linkage couples the actuation lever to the battery saddle. 19. The vehicle of claim 14, wherein the battery saddle receives a plurality of batteries.