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The SRAM Red 1 eTap AXS grupo includes Centerline rotors and HRD hydraulic calipers. Sarah Max's 2019 DK200 Argonaut GR2 Gravel Bike. © Z. Schuster / Cyclocross Magazine

The SRAM Red 1 eTap AXS grupo includes Centerline rotors and HRD hydraulic calipers. Sarah Max’s 2019 DK200 Argonaut GR2 Gravel Bike. © Z. Schuster / Cyclocross Magazine