27.5 inches Bike Tires

Learn about bike tire sizes, tread and valve types, as well as other features to consider when you replace tires on a road or mountain bike.

Learn how tire size and width, lug patterns, tubeless options and rubber types can affect performance when you upgrade mountain bike tires.

Learn the basic steps to fix a flat bike tire, from removing the wheel to replacing the tube and reinstalling the wheel.

Don't let a flat tire ruin your bike ride. Our step-by-step guide walks you through the basics of fixing your flat.

Going tubeless can help prevent flats and improve your ride. We'll walk you through how to install tubeless tires.

Learn the pros and cons of upgrading from tubed to tubeless tires and get installation tips if you plan to make the switch to tubeless.