Use the Tire Finder, to find the perfect fit
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
1982 BMW
R100RT
Specs/Edit
  • Drive Type: Shaft
  • Front Tire Size: 3.25-19
  • Rear Tire Size: 4.00-18
  • Spark Plug: E334
  • Battery: YUAM2230B
For reference only, please consult your owner’s manual to confirm your sizes
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  • Rear Geomax At82 110/100-18 Tire
    exact fit
    $135.99
    Free Same Day Shipping
    Part #: DS64Z6072Z1 Mfg Part #: 45261504

  • Rear Geomax MX34 110/100-18 Tire
    exact fit
    $117.99
    Free Same Day Shipping
    Part #: DS64Z4876Z1 Mfg Part #: 45273512

  • Rear K70 4.00S-18 Blackwall Tire
    exact fit
    4.7 star rating (17)
    $140.88
    Free Same Day Shipping
    Part #: 6509 Mfg Part #: 45068129

  • Rear Geomax MX14 7110/100-18 0/100-10 Tire
    exact fit
    $140.99
    Free Shipping
    Part #: 644607 Mfg Part #: 45259507

  • Rear Geomax MX53 110/100-18 Tire
    exact fit
    $115.99
    Free Same Day Shipping
    Part #: 644264 Mfg Part #: 45236568

  • Rear D605 4.60-18 Tire
    exact fit
    3.3 star rating (3)
    $114.99
    Free Same Day Shipping
    Part #: 644243 Mfg Part #: 45154646

Viewing Results 1 - 6 of 6