Uploaded July 2015 | Updated September 2026, 5 minutes ago
A group of bikers in Portland, Oregon, share the most unusual love of children’s bicycles. Several riders take to the hills of Washington Park every Sunday with a single mission – to speed downhill on tiny kids’ bicycles, after the sun goes down. Seasoned bikers ride at the front of the pack, while beginners follow their lead. They all take off at the same time, at the countdown ‘Three, two, one – Zoobomb!’
The unusual hobby is called ‘Zoobombing’, and it was born in Portland, one of America’s most bike-friendly cities. The ‘zoo’ denotes the fact that participants start at a spot near the Oregon Zoo, from where they speed downhill, while ‘bomb’ is a term used to describe biking downhill at very high speeds.
In zoobombing, the most glorious riders have the smallest wheels. The ideal size is the 12-inch, designed for use by three-year-olds. Those who aren’t comfortable with wheels so small prefer to ride 16 and 20-inch wheels. “On a tiny bike, you feel like you’re going faster,” said April Cox, a 16-incher who has been zoobombing for the past nine years.
A group of bikers in Portland, Oregon, share the most unusual love of children’s bicycles. Several riders take to the hills of Washington Park every Sunday with a single mission – to speed downhill on tiny kids’ bicycles, after the sun goes down. Seasoned bikers ride at the front of the pack, while beginners follow their lead. They all take off at the same time, at the countdown ‘Three, two, one – Zoobomb!’
The unusual hobby is called ‘Zoobombing’, and it was born in Portland, one of America’s most bike-friendly cities. The ‘zoo’ denotes the fact that participants start at a spot near the Oregon Zoo, from where they speed downhill, while ‘bomb’ is a term used to describe biking downhill at very high speeds.
In zoobombing, the most glorious riders have the smallest wheels. The ideal size is the 12-inch, designed for use by three-year-olds. Those who aren’t comfortable with wheels so small prefer to ride 16 and 20-inch wheels. “On a tiny bike, you feel like you’re going faster,” said April Cox, a 16-incher who has been zoobombing for the past nine years.
