how to measure

Width is measured in a straight line from the furthest point on one sidewall, across the tread, to the furthest point on the opposite sidewall.

The aspect ratio is the height of the tire sidewall. A smaller number means a lower profile, and the height-to-width ratio is shown as a percent.

Rim diameter is the diameter of the rim/wheel on which the tire will be mounted, in inches.

tire width
tire aspect ratio
rim diameter
1997 TM
MX 125
For reference only, please consult your owner’s manual to confirm your sizes
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  • Rear MX880ST 100/90-19 Tire
    exact fit
    $97.62
    Free Same Day Shipping
    Part #: 545253 Mfg Part #: 870-1055

  • Rear MX887IT 100/90-19 Tire
    exact fit
    $100.48
    Free Same Day Shipping
    Part #: 545241 Mfg Part #: 870-1008

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