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
2005 Aprilia
RSV Mille Tuono Racing
  • Drive Type: Chain
  • Front Tire Size: 120/70-17
  • Rear Tire Size: 190/50-17
  • Chain Size: 525
  • Chain Links: 108
  • Front Sprocket/Pulley Teeth: 17
  • Rear Sprocket/Pulley Teeth: 42
For reference only, please consult your owner’s manual to confirm your sizes
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  • exact fit
    Front MT60 RS 120/70ZR-17 Blackwall Tire
    New!
    5.0 star rating (1)
    $227.88
    Open-box price: from $174.30
    Part #: 643930 Mfg Part #: 2636000

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