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
2003 Honda
ST1300A
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  • Front M1A 90/90-21 Tire
    Ride Specific
    $75.88
    Same Day Shipping
    Part #: 540032 Mfg Part #: 102251

  • Front WF920 Wild Flare 130/90H-16 Blackwall Tire
    Ride Specific
    4.3 star rating (40)
    $107.88
    Free Same Day Shipping
    Part #: 540140 Mfg Part #: 302759

  • Front VX-40 80/100-21 Tire
    Ride Specific
    $70.88
    Same Day Shipping
    Part #: 644547 Mfg Part #: T10570

  • Front VX-30 90/90-21 Tire
    Ride Specific
    Part #: 644433 Mfg Part #: T10554

  • Front GS23 130/90H-16 Wide White Sidewall Tire
    Ride Specific
    4.9 star rating (19)
    $169.88
    Free Shipping
    Part #: 542940 Mfg Part #: 302753

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