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Sturm used a Specialized Power Arc saddle with a Service Course SL (20) 20mm offset seatpost. Sarah Sturm's title-winning singlespeed Specialized Crux. 2018 Cyclocross National Championships, Louisville, KY. © A. Yee / Cyclocross Magazine

Sturm used a Specialized Power Arc saddle with a Service Course SL (20) 20mm offset seatpost. Sarah Sturm’s title-winning singlespeed Specialized Crux. 2018 Cyclocross National Championships, Louisville, KY. © A. Yee / Cyclocross Magazine