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Old 01-16-20, 01:07 PM
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Barrettscv 
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Join Date: Feb 2006
Location: Lake Geneva, WI
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Bikes: Ridley Helium SLX, Canyon Endurance SL, De Rosa Professional, Eddy Merckx Corsa Extra, Schwinn Paramount (1 painted, 1 chrome), Peugeot PX10, Serotta Nova X, Simoncini Cyclocross Special, Raleigh Roker, Pedal Force CG2 and CX2

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Torque sensing pedal assist

I've starting doing basic research and I'm under the impression that most ebikes supply assist power in response to pedaling. Power is cut if the cyclist stops pedaling and power is restarted, sometimes abruptly, by resuming crank rotation. The amount of power provided is determined by switching modes or levels on a manual controller.

Alternatively, the more advanced systems adjust the power amount by measuring the cyclist power at the crank. These systems may also have a manual adjustment of power levels, but the system uses torque sensors to micromanage the amount of assist.

What are a few examples of systems that actually micro adjust assist based on the effort produced by the cyclist?
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