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Tubes & Valve Stems
Find Parts For Your Lawn Mower:
4" Inner Tubes
5" Inner Tubes
6" Inner Tubes
7" Inner Tubes
8" Inner Tubes
9" Inner Tubes
10" Inner Tubes
11" Inner Tubes
12" Inner Tubes
Misc Inner Tubes
High Wheel Mower Tubes
Tubes & Valve Stems for Lawn Mowers & Garden Tractors
There are 2 methods used to measure tires:
1: If a "x" separates the 1st 2 sets of numbers the 1st number is the overall diameter of the tire. The 2nd number is the overall width. The last number represents the rim diameter.
2: Used for smaller and industrial tires. If a "/" separates the 1st 2 sets of numbers the 1st number is the overall width of the tire. The 2nd number identifies the section height. This is the measurement from the crown to the bead of the tire. The last number is the rim diameter. The overall diameter of the tire is D + D + C. So for a 4.10/3.50-4 tire the overall diameter is 11" (3.5 + 3.5 + 4).
Note that all measurements should be made when the tire is inflated to its recommended air pressure.