I want to build a second Maxun One solar bike.
The total weight including solar panels must be less than 18 kg. Actually, I wanted to let make a special aluminum frame, but maybe there are lightwight ebikes that I can rebuild.
http://www.avdweb.nl/solar-bike/solarbi ... solar-bike
These are the requirements:
The maximum weight of the ebike without battery 14kg.
Maximum weight middle motor 3.1kg: Shimano Steps, Yamaha PW-X
Chain, no belt
Example Wilier E-ADVENTURE 105 L (16,75kg):