The Bianchi Arcadex Comp SRAM Apex/Eagle (YUB88I) represents the 2025/2026 "Next Gen" redesign of the Arcadex. This isn't just a color update; the frame has been completely overhauled to be more versatile, aerodynamic, and integrated.
One of the most significant changes for the "Next Gen" Arcadex is the addition of the IFS (Internal Frame Storage) system. This allows you to store a small tool kit or spares inside the down tube, protected by a sleek cover. This specific build (YUB88I) utilizes the SRAM Apex/Eagle "Mullet" drivetrain, giving you the best of both worlds: road-style shifters with a massive mountain-bike-range cassette for the steepest wilderness climbs.
Frameset & Geometry
Frame: Arcadex Carbon "Next Gen," Internal Frame Storage (IFS), Full Internal Cable Routing (ICR), 12x142mm Thru-Axle, Flat Mount Disc.
Fork: Arcadex Full Carbon, Integrated Crown, 12x100mm Thru-Axle.
Storage: Integrated compartment in the down tube with a custom-designed storage bag included.
Cockpit: Velomann AICR Alloy Stem with internal routing; Velomann Gravel Alloy handlebar with 16° flare.
Seatpost: Velomann Carbon, 27.2mm
Drivetrain & Brakes
Groupset: SRAM Apex Eagle, 1x12-Speed (Mechanical).
Shifters: SRAM Apex SB-APX-D1.
Rear Derailleur: SRAM Apex Eagle
Crankset: SRAM Apex 1 Wide, 40T.
Bottom Bracket: SRAM DUB PressFit.
Cassette: SRAM PG-1230 Eagle, 11-50T
Chain: SRAM Eagle 12-Speed.
Brakes: SRAM Apex Hydraulic Disc.
Rotors: SRAM Paceline CenterLock, 160mm (Front & Rear).
Wheels & Tires
Wheelset: Fulcrum Rapid Red
Hubs: Velomann / Fulcrum, 12mm Thru-Axle.
Tires: Pirelli Cinturato™ Gravel M, 700x45c.
Max Tire Clearance: 700x45mm
Key Technologies
IFS (Internal Frame Storage): Located behind the bottle cage on the down tube, this hatch provides a clean way to carry CO2, a multi-tool, or a spare tube without using a saddle bag.
SRAM "Mullet" Setup: By using an Eagle mountain bike derailleur and cassette with Apex road levers, you get a 500% gear range. This makes it one of the most capable bikes in Bianchi's lineup for bikepacking and steep alpine gravel.
Optimized Aero-Gravel Fork: The new fork features a more aerodynamic transition into the head tube and includes flip-chip-style capability or accessory mounts on specific "Pro" versions, though the Comp focuses on clean lines and speed.
Clean Cockpit: Unlike the previous Arcadex, the "Next Gen" Comp hides all cables inside the stem, protecting them from snagging on branches and making it much easier to mount a handlebar bag.
Thru-Axle Tool: The rear thru-axle often features a removable lever that doubles as a 4mm, 5mm, and 6mm hex key, perfect for quick trailside adjustments.