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Founded in 1977 Great Plains Cycle Supply

is dedicated to serving the enthusiasts who keep the antique and modern motorcycle culture alive. We are an authorized V-Twin Manufacturing dealer and are proud to bring you the entire V-Twin catalog for you to browse and order from.

Motorcycle Battery


FINALLY A 6 VOLT GEL BATTERY YOU CAN RELY ON. No leaks, no mess, lots of power. For Knucklehead, Panhead, Flathead, BMW and British motorcycles. Come see our battery deals on our sister site!

Classics / Vintage


Parts to fit most vintage V-Twin motorcycles. Flathead, Knucklehead, Panhead, F-head, JD, Shovelhead, Servi-Car, choppers, bobbers, hummer, jd, vl, ul, ulh, wl, wld, wla, wr, fl, flh, k, fx, fxe, Xl, Xlh, Xlch, Ironhead, Sportster and many more.

Sportster / XL


Parts to fit all models of XL Sportsters 1957 to Present. Engines, Frames, Forks, Batteries, and much, much more.

Big Twin

Big Twin

Parts to fit most Harley Big Twin motorcycles. Including F-head, JD, Flathead, Knucklehead, Panhead, Shovelhead, Evolution (aka "Evo" and "Blockhead"), Twin Cam 88 (aka "Fathead") and all other Big Twin motorcycles.

Multi Fit / Chopper

Multi Fit / Chopper

Parts and accessories that will fit most motorcycles. Decals, wiring, handlebars, and much, much more.

Tools / Maintenance

Tools / Maintenance

Tools, lubricants, service manuals, wrenches, oil and everything else you'll need to fix or maintain your bike.

A special thanks to V-Twin Manufacturing and Tedd Cycle for use of the V-Twin Mfg. catalog.