Joel Grover worked at the Bike Gallery in Portland for more than 20 years before he decided to set up Splendid Cycles on his own in May, selling nothing but cargo bikes.

Limiting your shop to extra-long bicycles built to haul hundreds of pounds of groceries, tools and/or kids may seem like a strange niche, given the amount of work required. But it’s an area of opportunity in Portland, which has gone from a handful of cargo bikes to hundreds in a few years.

Read more: Portland embraces cargo bike’s ability to deliver the goods – Oregon Business