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 Harley-Davidson
Softail Fat Boy - FLSTF
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  • Rear  MX907HP 110/90-19 Tire
    Ride Specific
    3.5 star rating (2)
    $111.01
    Free Shipping
    Part #: 545259 Mfg Part #: 870-1063

  • Rear MX880ST 110/100-18 Tire
    Ride Specific
    $106.23
    Free Shipping
    Part #: 545251 Mfg Part #: 870-1053

  • Front MX887IT 70/100-17 Tire
    Ride Specific
    $69.26
    Same Day Shipping
    Part #: 545234 Mfg Part #: 870-1000

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