Most 8- and 9-year-olds will fit on a 20-inch wheel bike. Meanwhile, a 10-year-old (or older) will likely fit on the 24-inch size. Keep in mind that if your 10-year-old is smaller, they may still be more comfortable with a 20-inch bike wheel.

We feature a 30-day no questions asked return policy on all non-final sale goods. We stand behind our products 100% and if you aren't entirely satisfied, send them back. You are responsible for actual shipping/assembly fees only. Bicycles marked as final sale carry a full warranty, however, are not eligible for return.

Priority Bicycles is an American bicycle manufacturer based in New York City. The company was founded in 2012 by Dave Weiner, who quit his job as North American CEO of a software company to start a bicycle company.

Find the right bike for your next adventure at Costco! Whether you're looking for a bike that can handle rough terrain or a new set of wheels for your commute to work, you'll find the bicycle to suit your needs at Costco.com.