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  • 21 x 3" Wheels In Stock!
  • Harley Davidson Motorcycle Wheels
  • Swingarm Extensions
  • Indian Motorcycle Wheels
  • Drag Racing Wheels
  • KST Customs Handlebars
  • Chains for Swingarm Extensions
  • Brake Lines for Extensions
  • Harley Front Axle Covers
  • Fork Boot Covers
  • FTD Customs Apparel
  • American Suspension
  • Race Car Parts
  • 3 D Hubs with Rotors
  • UFO LED Light Kits
  • Arlen Ness
  • ATV - UTV Accessories
  • Tire Sensor Install
  • Skully Customs Air Ride Kit

    • Shop by Brand

  • FTD Customs
  • American Suspension
  • Arlen Ness
  • KFI Products
  • Skully Customs
  • View all Brands

    • KTM 390 Duke Swingarm Extensions

    Our KTM 390 Swingarm Extensions are the highest quality billet aluminum Bolt On KTM 390 Swingarm Extensions available. Large 3/8 stainless steel fasteners are included - eliminating rusting and bending. These KTM 390 Super Moto Swingarm Extensions stretch your motorcycle swingarm from 4 to 9 inches and require a longer chain and brake line (both sold separately).

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