Very strong e-bike! The only draw back is that the throttle isn’t as “snappy” as being the Surron X for instance. The throttle is quite gradual, as you get to love 12mph it's possible. Also, I have a matter a couple of unfastened o-ring on among the fork legs. I https://golinkdirectory.com/listings12816193/getting-my-surron-usa-to-work