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
1981 Honda
CM400T
  • Drive Type: Chain
  • Front Tire Size: 3.50-18
  • Rear Tire Size: 4.60-16
  • Spark Plug: D8EA
  • Chain Size: 530
  • Chain Links: 102
  • Front Sprocket/Pulley Teeth: 16
  • Rear Sprocket/Pulley Teeth: 35
  • Oil Filter: 303540
  • Battery: YB12A-A
For reference only, please consult your owner’s manual to confirm your sizes
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  • exact fit
    Rear D606 130/90R-17 Tire
    5.0 star rating (1)
    $120.58
    Part #: 540386 Mfg Part #: 4516-2297

  • exact fit
    Rear D404 130/90H-17 Blackwall Tire
    4.5 star rating (1)
    $120.94
    Part #: 542543 Mfg Part #: 45605542

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