The Swytch battery pack comes with some controls on the ... at maximum assistance it’s the bike that’s doing the pulling and all you need to do is move the pedals, while at the minimum it ...

The motor here is a 250W model powered by a 6Ah, 36V battery. It adds around 4kg to the weight of your bike. The big rivals here are Swytch and Cytronex. The latter is a better system but it's ...

It’s battery-powered ... Go conversion kit — we rated 4 stars in our Swytch Go review — and a range of different kits for different bikes. You can get an Air mountain bike conversion ...