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Neff ran the new SRAM Red eTap AXS rear derailleur with her 1x setup. Jolanda Neff's 2019 World Cup Waterloo Trek Boone. © Z. Schuster / Cyclocross Magazine

Neff ran the new SRAM Red eTap AXS rear derailleur with her 1x setup. Jolanda Neff’s 2019 World Cup Waterloo Trek Boone. © Z. Schuster / Cyclocross Magazine