Cleaning and Caring for a Belt Drive

Does a belt need lube?

Usually not. Wikipedia lists no need for lubrication among the benefits of belt drives. It also lists cleanliness and little to no maintenance.¹

That's different from a chain, which is normally oiled.

"Usually" is doing real work, though. Some conditions change the advice. See the silicone question below.

How is a belt cleaned?

The cycling site calls cleaning straightforward. A rinse with water and a quick brush, such as an old toothbrush, is usually sufficient.² It also says there's no need for degreaser, chain cleaners, or handling oily components.²

In plain terms, that means water, a soft brush and a bit of patience. The cycling site recommends keeping the tooth profiles clean.²

How often should it be cleaned?

There's no single schedule in the sources used here. The cycling site says maintenance needs depend heavily on riding conditions.² The maker's manual for your bike may set its own intervals, and those come first.

What about silicone spray?

The same site says very dry and dusty places may call for a light application of silicone lubricant every few days.² It adds that a general-purpose silicone spray is typically used at the first sign of squeaking.²

So lubricant isn't part of normal upkeep, but it can turn up in dusty places. That's one site's advice. Your manual may say something different, or say not to spray the belt at all. If it does, follow the manual.

For what to apply to the belt, if anything, follow your bike's manual.

What about inspection?

This page gives no inspection checklist, because the sources used here don't offer one. Follow your bike's manual for what to inspect and when to seek service. If you aren't sure about something on your bike, a qualified shop is the place to ask, and the maker's manual comes first.

Can I use a pressure washer?

Your manual is the place to look. The sources here talk about a rinse and a brush, so stick to that. Follow whatever the maker permits near the bike's electrics. Water near a motor, battery or display is a question for the maker, not for a general page.

What about the rest of the bike?

Battery care, charging and storage have their own rules, and those come from the maker's manual. Don't use a belt cleaning guide as a stand-in. The same goes for the motor and the display. This page only repeats what two reference sources say about the belt, so the manual always has the final word on your bike.

Parts names such as cog and tensile cord are explained in this walk-through. For setting up the belt's pull, see belt tension explained.