Yes, it’s cheaper than an e-bike, but at what overall cost? While this heading ... I’d suggest you check out Swytch. Swytch makes the Go conversion kit — we rated 4 stars in our Swytch ...

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.