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
2015 Indian
Roadmaster
  • Drive Type: Belt
  • Front Tire Size: 130/90-16
  • Rear Tire Size: 180/65-16
  • Spark Plug: DCPR8E
  • Drive Belt Width: 24 mm
  • Drive Belt Teeth: 152
  • Front Sprocket/Pulley Teeth: 30
  • Rear Sprocket/Pulley Teeth: 66
  • Oil Filter: 307865
  • Battery: YTX20HL
For reference only, please consult your owner’s manual to confirm your sizes
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  • Rear NR-21 3.50P-16 Blackwall Tire
    exact fit
    4.8 star rating (8)
    $62.88
    Same Day Shipping
    Part #: 540026 Mfg Part #: 301999

  • Front/Rear NR53 2.75P-18 Blackwall Tire
    exact fit
    4.5 star rating (21)
    $30.88
    Same Day Shipping
    Part #: 543897 Mfg Part #: T10144
  • Rear VX-10 90/100-16 Tire
    exact fit
    5.0 star rating (2)
    $58.88
    Same Day Shipping
    Part #: 644292 Mfg Part #: T10528

Viewing Results 1 - 3 of 3