SRAM RED XPLR AXS E1 13-Speed Groupset | RED Levers, XPLR RD, XG-1391 Cassette

Take-off from a professional industry team rider bike. SRAM RED XPLR AXS E1 13-Speed Rear Derailleur. SRAM RED XPLR XG-1391 E1 13-Speed Cassette. If you're building a dream gravel race bike, this is about as good as it gets without stepping into a full custom pro build.