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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
The system comes with all the components needed for easy installation
Heavier overall weight compared to a standard, street-only full-face helmet
[19] Motor control [edit] For switching or control of the motor, there are several possibilities: Measuring the force or torque from the signal of a force sensor on the pedals, the pedal crank, the chain or at the wheel Measurement of pedalling speed from a revolution counter or rotary speed sensor at the crank or at another suitable location Measurement of both force and speed Measurement of acceleration or drawbar force at a push trailer Measurement of electrical values in a serial hybrid (pedal generator) In addition, the speed of the vehicle is measured at the wheel, in particular to reduce or cut the motor power at the legally specified speeds
Ironically, Arai could probably sell a lot more helmets by introducing them
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