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
1986 Harley-Davidson
Softail - FXST
Specs/Edit
  • Drive Type: Belt
  • Front Tire Size: MH90H-21
  • Rear Tire Size: 130/90H-16
  • Spark Plug: RN12YC
  • Drive Belt Width: 1 1/2 in.
  • Drive Belt Teeth: 132
  • Front Sprocket/Pulley Teeth: 32
  • Rear Sprocket/Pulley Teeth: 70
  • Fork O.D.: 41mm
  • Oil Filter: 307852
  • Battery: YTX20H-BS
  • Engine Type: Evolution Style
  • Throttle Cable Length: 30 3/4 in.
  • Idle Cable Length: 30 3/4 in.
For reference only, please consult your owner’s manual to confirm your sizes
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