Boost has an alternative: take your existing bike and make it electric. As you can see from the photo above, you're looking at £645 for the whole kit ... The motor here is a 250W model powered ...

There aren’t kits available for every bike geometry ... at 2.5 kW peak power per motor. This puts it in electric motorcycle territory, and it’s indeed fast despite its small stature.

We do not recommend most of these kits for use. While converting an old bike to an electric assist sounds good in theory, it rarely makes practical sense. Plus, it can lead to rider injury or failure ...

Electric skateboards paved the way for this hack, as it was an outrunner motor that he chose ... Sure you can buy these bikes, you can even buy conversion kits, but it’s pretty hard to beat ...