Mountain Bike Tire Information

Mountain biking is a great way to get exercise and to enjoy the great outdoors. There are many different kinds of terrain and conditions to contend with on the trail, and your bike's tires are like athletic shoes. This article discusses types of tires and their uses for various styles of cycling, as well as how to determine the right amount of air pressure a tire needs for optimum performance.

  1. Knobby Tires

    • You have probably noticed that mountain bike tires are knobby, not smooth. Why? Mountain bikes are designed for travel on unpaved surfaces. A knobby tread "grabs" onto loose rock, sand and dirt and prevents the tires from slipping. The knobs stick to the irregular surface of a trail, making your ride safer.

    Path and Pavement Tires

    • Many people use mountain bikes for light recreation, limiting their riding to paved bicycle paths or back roads. Bicycle commuters and students often limit their bicycle riding to pavement. If you do most of your riding on pavement, a slicker, smoother tire should be used. The bike is easier to pedal if there is less tire resistance on smooth surfaces; knobby tires wear down quickly on paved roads.

    Combination Tires

    • Combination tires are best-suited for riders who do light trail riding and some paved surface riding. These tires work best on the trail and not on paved roads. The tread on combination tires is less knobby, but also aggressive enough to grip the ground in light terrain.

    Using Different Treads

    • Many mountain bike riders user a slightly knobby, aggressive tread on the rear tire and a less knobby tire on the front wheel of the bike. This helps them use the rear wheel for traction, while the front tire helps the rider steer the bike on the trail.

    Tire Pressure: Proper Inflation Guidelines

    • Tire pressure is important. A recommended pressure range is marked on the side of most tires, but tire pressure relates directly to the weight of the rider. Heavier riders need more air pressure, but light riders do not need to inflate to the highest recommended air pressure. The rear tire should be inflated a little more than the front tire, because most of a rider's weight is supported by the rear tire. Also, consider the surface of the trail. Rough surfaces require less tire pressure. However, too little tire pressure can cause a pinch flat (inner tube is pinched and goes flat).

    Additional Guidance

    • Discuss what kind of riding you plan to do with your bicycle mechanic or a salesperson at the local bike shop. A mountain bike tire generally costs $10 to $35.