Ok so like many a tough decision to go electric, having risen road bikes for years. At the price I thought it worth dipping my toe in the water. It arrived a little late, but very easy to put together. The electronic instruction leave a little to the imagination, as some points didn't seem for this bike, especially the electric control and display. I have had a couple of rides, one 20 miles and one 30. I used assist 1 and a bit of 2. What I found when I got back was that my heart rate was significantly less, but my work out was more fat burn than hard or cardio. When you are on the flat and moving about 15mph or more, the assist switches off and you then have a slight resistance, bit like a spin bike. I much prefer that as a work out. Had 2 plus bars out of 5 left on the battery on the 30 mile one and that included a long 2 mile steep uphill and a shorter but steeper one of 1 mile. If you are willing to use your own effort a bit, I can see this reaching a 50 odd mile range. So far so good. Tech support is ok and a quick message and a small token for late arrival and a new pack of bar tapes sent. Time will tell, but so far so good.