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.
Proper players put so much spin on it that the ball seems to change its mind mid-air.
Fun fact: "The Soviet Union banned it from 1930 to 1950, claiming it was harmful to players' eyesight."