Flathead knucklehead panhead shovelhead blockhead gimmehead motorcycle helmet sticker

Flathead knucklehead panhead shovelhead blockhead gimmehead helmet sticker

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The "Flathead knucklehead panhead shovelhead blockhead gimmehead motorcycle helmet sticker" is a Harley engine history lesson with a punchline baked in at the end for anyone paying close enough attention. Male riders who know their V-twin lineage will get it the moment they read it — everyone else will assume it's just a list. That's precisely the point. Slap it on your noggin and let the real ones find you on the road.

Premium Features

• UV-laminate protection shields against sun damage and fading
• Weather-resistant and fade-proof for long-lasting durability
• Easy peel-and-stick application — no tools required
• 3.5" x 1" — verified size for a clean, bold fit
• Made for riders who know their iron history and wear it proudly

Style & Attitude

This insider engine lineage lesson belongs in our Biker Only Helmet Stickers collection.

More Collections

Explore more designs: All Helmet Stickers, Men's Helmet Stickers, Wild Helmet Stickers.

Complete Your Gear

Add complementary biker accessories: Motorcycle Bells, Biker Pins, Keychains, Sunglass Holders, Men's Vest Extenders, Women's Vest Extenders, Zipper Pulls.

Quality You Can Trust

Every sticker features professional-grade UV-laminate protection that shields against sun damage, rain, and road debris. Our premium vinyl adhesive ensures your message stays put mile after mile, while the fade-proof finish keeps colors vibrant season after season.