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Mueller is a member of the Shimano Gravel Alliance, a group of brand ambassadors and project consultants. Erica Mueller's Orbea Terra with Shimano GRX. © Z. Schuster / Cyclocross Magazine

Mueller is a member of the Shimano Gravel Alliance, a group of brand ambassadors and project consultants. Erica Mueller’s Orbea Terra with Shimano GRX. © Z. Schuster / Cyclocross Magazine