You pay five grand for suspension and disc brakes specifically so you can ride down things that'll wreck them.
Fun fact: The sport started in 1970s Marin County with riders racing modified beach cruisers down Mount Tamalpais.
Tiny little country on the edge of Europe that somehow ended up owning half the world for a bit.
Fun fact: Portugal's borders have been essentially unchanged since 1249, making it Europe's oldest nation-state.