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Mueller ran an 11-32t cassette for a climbing ratio of 31-32. Erica Mueller's Orbea Terra with Shimano GRX. © Z. Schuster / Cyclocross Magazine

Mueller ran an 11-32t cassette for a climbing ratio of 31-32. Erica Mueller’s Orbea Terra with Shimano GRX. © Z. Schuster / Cyclocross Magazine