280 Tire / 300 Tire Motorcycle Swingarm Conversion Kits for 2014-up Twin Cam Softails


Our 280 tire / 300 tire motorcycle swingarm kits are bolt on replacements for the stock 2014-up Harley  Softail swingarms and they enable you to mount a 280 or 300 tire on your stock Twin Cam Softail without doing any modifications to the frame.

These 280 / 300 tire motorcycle swingarm kits can be installed only in conjunction with a 24mm secondary belt and can fit up to 10.5” wide rims. Thanks to this innovative wide swingarm you will be able to mount a super-wide rear tire, without any modifications to your stock frame, still keeping front and rear wheels properly lined up for safe riding and great handling.

Our 280 tire / 300 tire motorcycle swingarm kits for 2014-up Twin Cam Softails are available for:

  • aftermarket rear brake calipers
  • Harley-Davidson OEM rear brake calipers
  • pulley-brake kits

Kit includes swingarm, axles and all necessary components for the primary offset.

NOTE: kit does not include belt, wheels, rear pulley, brake calipers, rotors, tires or rear fender.


300 tire twin cam swingarm 1300 tire twin cam swingarm 2300 tire twin cam swingarm 3300 tire twin cam swingarm 4300 tire twin cam swingarm 5

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