The issue: Pedal Sensing and Torque Sensing

Which is better and why... "Cadence or torque sensors tell an electric bike's pedal-assist system (PAS) when to engage the motor and propel the e-bike forward. ... " -evelo A common usage in the bicycle manufacturing industry is that a cadence sensor determines if you are pedaling and direction (forward or backward) while a torque sensor in addition measures how hard you are pedaling. Both systems require the use of a computer to detect the pedaling and determine the signaling…

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Calfee Customer Profile: Jim Takasugi, Electric Retrofit

A look into the electric retrofit. Our recent customer Jim Takasugi had his Volagi Liscio2 retrofitted with our rear conversion system. He has done a wonderful job at describing his thinking that lead him to Calfee Design and his experience using the the retrofit system.  Link to his article here. Short excerpt below from Jim ... "Luckily, I eventually found the perfect builder, Calfee Design, to integrate and install the components into a cohesive road eBike.  As you may know,…

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Charging your Retrofit System

Check your Charger This is a 36 Volt Charger. Please read the enclosed instruction provided in english and german. Check the connection ends.  Before charging it is always good to check the connection ends to make sure they are ready for connection. Plug the battery charger in. The plug will fit any standard wall socket and can accept a max. of 240 volts. Check the light. Turn on the charger at the rocker switch on the side.  And check for…

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