From CyclingSavvy.org
by
The light construction of bicycles trades off against the possibility of damage from bumps and potholes, railroad tracks, rocks and roots… The tradeoff can be successful but, as with many other aspects of bicycling, your riding skills matter.
Your choice of a bicycle…
Let’s start with some good news.
Bicycles have pneumatic tires which can be squashed almost to the rim with no damage. The fabric of a tire flexes and the air inside compresses harmlessly, as this slow-motion video shows.