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Our custom 21 x 3.25 inch Dirty Spoke 3D wheels are designed for Harley motorcycles and other big brands to “Fit Like a Glove GUARANTEED”!
SMT’s custom 21-inch 3D Series Harley-Davidson motorcycle wheels are all milled from forged billet aluminum DOT-certified American-manufactured blanks. We also offer matching El Kurwa air cleaners, pulleys, rotors, cush drive hub, and sprockets.
We can even mount on your wheel with its tire.
Our S&S air cleaners fit Harley and Indian bikes.
Rotor Options: 11.5″, 11.8″, 13″, floating, solid, 13” rotor kit, and 18” rotor kit.
There is no substitute for the quality, fitment, and design of the custom motorcycle rims you will receive from SMT Machining. Due to the fact that every order is a custom order, please allow 8-10 weeks of manufacturing time. This will ensure the perfect fitment of your custom wheel.
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