Solid copper (of any guage) does not work out well when it comes to the flexing required in an environment that's constantly in motion. That's the reason it's not used in cars, boats, airplanes, motorcycles - and e-bikes.
Solid copper (of any guage) does not work out well when it comes to the flexing required in an environment that's constantly in motion. That's the reason it's not used in cars, boats, airplanes, motorcycles - and e-bikes.