Can You Wash an E-Bike? What Makers Say About Water

Your e-bike got muddy, and now you're staring at the hose. Will water ruin it?

Short answer: it depends on your bike, so follow your own manual. Here's what the makers quoted below actually say.

Why a wet bike isn't automatically a broken one

One maker says its own e-bikes are "designed to get wet".¹ That is a statement about that maker's bikes only, and it doesn't tell you anything about the bike in your garage.

That's one brand talking about its own bikes. Yours may differ. The same maker tells owners to read the cleaning section of their manual before starting, since each bike has its own instructions.¹

Another maker puts it more bluntly: batteries and water rarely mix, and washing is no exception.² So the answer to "can I wash it?" depends on your bike. Follow your manual, and keep spray and soaking off the battery, motor, controller and display.

Symptom: you're not sure which parts hate water

Start with the parts that matter most. One maker's guide says not to directly spray or soak the battery, motor, controller or display. These should only be wiped gently with a damp cloth.³

For the rest of the bike, follow your manual. The pages on moving around the electrical parts and what to switch off first go through those steps.

Symptom: the box says "water resistant" or has an IP code

Don't read that as "hose-proof." An IP code is a rating from a testing standard. Wikipedia's article on the standard says a part rated for immersion (IPX7) is not necessarily rated for water jets (IPX5 or IPX6).⁴

It also says standard IP testing is performed using fresh water.⁴ For what a rating means on your bike, check your manual. The soaps and degreasers page covers cleaners.

Symptom: it's raining, or the bike sat wet

One maker warns against leaving a wet e-bike in a contained space where it can't dry.¹ For what to dry before you charge, see the page on drying. If your bike got soaked, check your manual. It is the place that knows your model. Ask your maker or a bike shop if the manual doesn't say.

What to do first

1. Find your manual and read its cleaning section.¹ Canyon says it's good practice to keep the manual handy.²
2. Keep the battery, motor, controller and display from being sprayed or soaked.³
3. Skip the jet. One maker says e-bikes aren't built to withstand high pressure water jets.³ The pressure washer page has more.

If your manual and a general guide disagree, follow the manual. It's written for your exact model.