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
1973 Honda
CB500K
  • Drive Type: Chain
  • Front Tire Size: 3.25-19
  • Rear Tire Size: 3.50-18
  • Spark Plug: DR7EA
  • Chain Size: 530
  • Chain Links: 100
  • Front Sprocket/Pulley Teeth: 17
  • Rear Sprocket/Pulley Teeth: 34
  • Battery: Y12N12A-4A-1
For reference only, please consult your owner’s manual to confirm your sizes
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Viewing Results 1 - 9 of 9
  • Rear D606 120/90R-18 Tire
    exact fit
    4.8 star rating (49)
    $136.99
    Free Same Day Shipping
    Part #: 540385 Mfg Part #: 45162233

  • Rear Geomax At82 120/90-18  Tire
    exact fit
    $126.99
    Free Same Day Shipping
    Part #: DS64Z6073Z1 Mfg Part #: 45261505

  • Rear Geomax MX34 120/90-18 Tire
    exact fit
    $122.99
    Free Same Day Shipping
    Part #: DS64Z4877Z1 Mfg Part #: 45273513

  • Front K70 3.25P-19 Blackwall Tire
    exact fit
    4.7 star rating (17)
    $126.88
    Free Same Day Shipping
    Part #: 6510 Mfg Part #: 45068620

  • Rear Geomax MX53 120/90-18 Tire
    exact fit
    $119.99
    Free Same Day Shipping
    Part #: 644267 Mfg Part #: 45236545

  • Geomax Enduro EN91 120/90-18Tire
    exact fit
    $117.99
    Free Same Day Shipping
    Part #: 644254 Mfg Part #: 45242467

  • Front/Rear K180 Blackwall 120/90-18 Tire
    exact fit
    $162.99
    Free Same Day Shipping
    Part #: 644158 Mfg Part #: 45089238

  • Rear D952 120/90-18 Tire
    exact fit
    $95.99
    Free Same Day Shipping
    Part #: 644117 Mfg Part #: 45174848

  • Rear D404 120/90H-18 Blackwall Tire
    exact fit
    4.6 star rating (499)
    $144.99
    Free Same Day Shipping
    Part #: 542545 Mfg Part #: 45605341

Viewing Results 1 - 9 of 9