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20% Off 1 Full-Price Item With Code ROSA20

Shop now | Ends 5/13

Best Road, MTB & Flat Shoes Of 2025

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$50 Off Their Order & $50 Off Yours. Win, Win.

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Ostroy
Keirin Jersey - Men's

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Ostroy Keirin Jersey

Keirin is a form of motor-paced cycle racing in which track cyclists sprint behind a motorized pacer. It was developed in Japan around 1948, mostly for gambling. The sport has a culture and an aesthetic all its own.


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  • Item #OST0027

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