As you can see from the photo above, you're looking at £645 for the whole kit. The kit has been available ... The big rivals here are Swytch and Cytronex. The latter is a better system but ...

"I looked at e-bike conversion kits, but they are often painfully complex to set up," said Ray. "If you get a Swytch or something similar you have to remove your front wheel and put a new one in ...