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 ... rivals here are Swytch and Cytronex.

The obvious comparison is to the Swytch Bike Kit, which with its largest battery option, comes in well under half the price at £599. That said, there are very few e-bikes at this price point ...

Is an electric bike something you should have, or not? All the parts of a Swytch kit ... list for a while and got an early-bird price on my kit. It took quite a while to arrive, much longer ...