My hubster and I ride Espin Sports that We now have had for about 18 months now and also have about 2500 miles on them as of right now. We really like them and Espin’s company was good. Mine came with a rather bent controller and it had been replaced https://medium.com/@usamach4969/unlock-new-trails-with-the-best-electric-gravel-bikes-lightweight-budget-friendly-and-3aacc2f3a468