One of the simplest and most common mods to off-road vehicles is called a tire mousse. It's basically foam or rubber that replaces the inflatable tube. The bene

One of the simplest and most common mods to off-road vehicles is called a tire mousse. It's basically foam or rubber that replaces the inflatable tube. The benefits are never getting a flat, and not having to carry a spare tube, tools, or patches. There's some efficiency loss which may be too much for a commuter bicycle, but it looks like they exist for mountain and e-bikes.