Motorcycle Patent Shirt with Vintage Shaft Drive Drawing
$29.99 each, printed. $26.99 each for 6 or more, $23.99 for 12 or more.
This design reprints a 1943 United States patent drawing for a motorcycle shaft drive. Fig. 1 shows the full side profile of the bike with its frame, wheels and engine, while Fig. 2 breaks down the internal gear and chain mechanism in detail, complete with the original numbered callouts and patent office text.
It is a solid pick for anyone who likes old engineering drawings or classic motorcycles, whether that is one rider or a whole garage crew ordering together. Available on adult, women's and youth tees, long sleeves, hoodies, crewnecks and more, in colours like black, navy and military green. Printed in Canada.
2XL and up are $3.00 more each.
Every item of this design in your cart counts toward the group price, across garments and colours. Your cart shows the final price. Prices in CAD.
Motorcycle Patent
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Size chart
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Measurements from the garment maker.
