Voilamart 48V Rear Wheel e-bike conversion kit review - cheap and powerful; requires waterproofing

A low cost way of getting e-assistance on your current bike. Although the set up is straightforward, it does require additional waterproofing

Image shows Voilamart kit fitted to a bike
(Image credit: Leigh Emmerson)
Cycling Weekly Verdict

An unrefined kit with lots of welly. Some of the components are a bit cheap and cheerful and it’s not waterproof out of the box – but it's easy enough to fix this (we explain how) and the result is a great low-cost option if you already have a bike to convert.

Reasons to buy
  • +


  • +

    Lots of power

  • +

    Quality replacement metal brake levers

  • +

    Clear easy to use screen

Reasons to avoid
  • -

    Unrefined power blending

  • -

    Some components a bit cheap and plasticky

  • -

    Need to remove pedal crank to fit pedal sensor

  • -

    Not waterproof out of the box

  • -

    Controller box to house on frame

You can trust Cycling Weekly. Our team of experts put in hard miles testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

The Voilamart e-bike conversion kit is designed to be a low cost way to convert your existing push bike into a powered version. The kit works by replacing your rear wheel with one that contains a motor. 

Like the best e-bike conversion kits, this is aimed at cyclists who have some mechanical knowledge and want an e-bike for a bargain price.

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