The Buxus Eva and Buxus Eva-S e-bikes have been unveiled. Both vehicles have a design similar to a motorcycle, with a dual suspension system to suit various terrains. The Eva model has a top speed of 30 mph (~48 kph), while the Eva-S can reach 38 mph (~61 kph). The standard and S variants of the bike have a range of 64 miles (~103 km) and 75 miles (~121 km), respectively.https://www.notebookcheck.net/Buxus-Eva-motorcycle-style-e-bike-has-38-mph-top-speed-from-1-000-W-motor.637268.0.html
Look where the swing arm meets the frame, you don't have to be an Mechanical Engineer to see that that will not be robust. The forces there, in this design are all shear.
..why not just buy a motorcycle 🏍 already ..about the same price etc .. ALIBABA.com has cheap everything..but shipping costs??? Yes Right ✅ to Travel No license No Insurance etc ....and Batteries are not really GREEN anyway ..