Simple ebike kit

A friction drive design of a few years ago, a few have initiated the same principle in their design over the last few years and mostly failed I think. The add is 3 years old, simple but not cheap if you don't back it on a kick starter. Cost is circa 750 euros.

The latest one to start marketing the Friction drive is Revolution Works aka Revos in Bristol, first production units should be released soon to backers of the kickstarter.

Edited October 5, 20187 yr by Nealh

I really don't know how they can claim that the go-e is "revolutionary"

My father-in-law had something similar on his bike years ago (1985) - the Clive Sinclair "Zeta II" friction drive assistance.

It barely worked with a fully charged battery and since the small battery went flat after only a few of miles the thing was a dead loss.

Modern battery technology might help a bit, but it's still a really poor idea compared to the hub and crank drives that are available now.

Horses for courses, they have there uses if you only want occasional assist on inclines or add to lightweight bike. A 1.5kg battery for approx. 15 - 25 miles worth of assist using very good cells isn't a bad thing for some.

Power is limited but not every one wants high power and heavy bikes.

The Bristol Revos team have posted vids of a comfortable ride up a 10% incline and in the wet.