top speed

Hi, I’m looking into getting my first foldable ebike and I’m wondering, since I’ll be using it mostly in the city on bike path and paved roads, is there an advantage to getting a folding with 20x4 wheels over one with more regular wheels size (20x1,75 to 2). The longest distance I might have to...

Hello All , I am looking for a second bike with a throttle. I definitely need a bike with a top speed better than 20. I am looking at E Joe that you can adjust top speed to 25mph. Does anyone know about Blix or Rad Power if you can do the same with them ? Any other suggestions out there ? Thanks...