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Tetrick used the stock Specialized Trigger 700c x 38mm tires for her Gravel Worlds adventure. Alison Tetrick's 2018 Gravel Worlds S-Works Diverge Gravel Bike. © Z. Schuster / Cyclocross Magazine

Tetrick used the stock Specialized Trigger 700c x 38mm tires for her Gravel Worlds adventure. Alison Tetrick’s 2018 Gravel Worlds S-Works Diverge Gravel Bike. © Z. Schuster / Cyclocross Magazine