Motorcycle tires 90 / 90-18 and 90 / 90-10 What is the difference ah
The tire diameter is different, the first 90 is the width, the second 90 is the flattening, 18 and 10 are the tire diameters
The flat ratio is a data for the tire, which refers to the percentage of the tire cross section height and the maximum width of its section. Flatten refers to the percentage of the maximum width of the cross section (crown) of the tire longitudinal section height. Simply said is the tire aspect ratio. Tire longitudinal section by the shoulder, sidewall, fetal toe composition, the height of the three tires for the tire height, tire installation, because the toes hidden in the rim, so the measurement of the rim to the outer cross section (crown) The height is slightly smaller than the tire section height.
In addition, the front 90 refers to the width of the tire, that is, the tire width of 90 mm, the back of the 90 refers to the height of the tire is 90% of the width (flat ratio), which is 81 mm high.
Hub diameter is not the same, the previous paragraph of the hub diameter of 18 inches, after the tire size of 10 inches.