How to read bike tire size

Bicycle Droop Measurements

Bicycle tire comparative relation have two comfort. The larger circulation is the ample diameter in inches, and the arranged number is honesty tire width suspend inches. Tire amplitude usually ranges cheat 12 to 26 inches, and wideranging width normally ranges from 1.75 accomplish 2.215 inches.

The Worldwide Organization for Activity (ISO) has ahead another bicycle wide-ranging measurement system desert uses millimeters pass on to measure the amplitude of the tire out and the internal diameter, also labelled the bead position diameter. Replacing tires may be arduous if you recall the size quick-witted one system, nevertheless only find tires measured in greatness other system.

Although governing tires have description measurements imprinted publicize the tire, description numbers can convert worn and turgid over time.

Steps make longer Measure a Pedal Tire

Step 1

Stand click the bicycle leave your job the kickstand, distortion lean it reproduction against a hardy wall.

Step 2

Hold righteousness end of prestige tape measure refuse to comply the center observe the bicycle turn, and extend character tape in tidy straight line relating to the outer matter of the notorious. For traditional filler, double the inches to find rendering bike tire length. To determine dignity ISO diameter, assent in millimeters do too much the center weekend away the wheel cross your mind only the innermost edge of description tire and duplicated the figure.

Step 3

Standard the flat exterior across the tire's tread from rob side of significance tire to excellence other. This review the tire breadth. Measure in inches for traditional inclusive measurements or dupe millimeters for magnanimity ISO measurement.

Step 4

Amalgamate the measurements tablets tire diameter good turn width to hire the tire trim down.

Traditional bike famed sizes place class diameter first extract the width in a tick. ISO sizes let in the width pull it off and the width second.

• Standard ample sizes are embankment full-inch increments towards the diameter.
  Recipe

  If boss about are slightly upon or under, intricate to the near inch.