Steel Modern-Trail Hardtail · 29" (27.5" on XS) · Elderberry Tonic (deep purple) Surly's brand-new (2026) aggressive trail hardtail, and their first return to the hardtail market with genuinely progressive geometry. Modern and rowdy: 65° head angle, 76° seat angle, built around a 140mm fork, with long front-center for stability at speed, and a patent-pending Surly DUH dropout system that lets you run SRAM UDH Transmission drivetrains OR single-speed (via swappable chips). Low standover and maximized dropper-post insertion accommodate riders from 4'9" to 6'6". Frame is 100% Natch chromoly steel — size-tuned — with double-butted main triangle and trumpet-flared tubes. The Eagle 90 is the top build, available in the striking Elderberry Tonic (deep purple) colorway. At a Glance Frame: 100% Surly Chromoly (Natch Tubing), double-butted main triangle, trumpet-flared tubes, TIG welded, E.D. coated, silicone chainstay protector, patent-pending DUH dropout system Fork: 140mm travel, 15x110 Boost, ~44mm offset (designed around 140mm; plays with 130-150mm) Drivetrain: SRAM Eagle 90 T-Type Transmission, 12-speed (mechanical) Brakes: SRAM DB6 / DB8 Hydraulic, 4-piston Tires: Teravail or similar 29x2.6" / 27.5x2.6" (XS) Full Specifications Frame 100% Surly Chromoly (Natch Tubing), double-butted main triangle, trumpet-flared tubes, TIG welded, E.D. coated, silicone chainstay protector, patent-pending DUH dropout system Fork 140mm travel, 15x110 Boost, ~44mm offset (designed around 140mm; plays with 130-150mm) Wheel Size 29" (27.5" on XS size) Drivetrain SRAM Eagle 90 T-Type Transmission, 12-speed (mechanical) Shifter SRAM Eagle 90 trigger Derailleur SRAM Eagle 90 T-Type Cassette SRAM Eagle, 10-52T, 12-speed Crankset SRAM, 30-32T Brakes SRAM DB6 / DB8 Hydraulic, 4-piston Rotors 180mm stock front (upgradable) Dropper Post Generous insertion space (full-length seat tube designed to accommodate maximum-length droppers) Tires Teravail or similar 29x2.6" / 27.5x2.6" (XS) Geometry 65° head angle, 76° seat angle, 415–507mm reach, 580–672mm stack DUH Dropout SRAM UDH / Full-Mount / single-speed compatible (patent-pending) Bottle Mounts 2 on MD–XL, 1 on XS–SM Sizes XS, SM, MD, L, XL — fits riders 4'9" (146cm) to 6'6" (199cm) Color Elderberry Tonic (deep purple)