The Bianchi Arcadex Comp is a gravel bike that refuses to blend in. With its sculpted, angular carbon frame, the Arcadex is designed for the rider who wants the responsiveness of a road bike with the rugged capability of an off-road explorer. The oversized headtube and chunky seatstay junction aren't just for looks; they provide immense structural stiffness, ensuring that every watt of power is transferred to the dirt, making this one of the most reactive gravel platforms on the market.
This "Comp" build is the workhorse of the range, equipping the carbon chassis with the rugged and reliable Shimano GRX 12-speed mechanical drivetrain. The 1x setup simplifies shifting in technical terrain while the wide-range cassette allows you to spin up steep, loose climbs. Unlike the pure racing "Impulso" line, the Arcadex is ready for adventure, featuring clearance for chunky tires and compatibility with mudguards and racks, making it a high-speed bikepacking rig that feels just as at home on a fast fire-road group ride.
Frameset & Geometry
Frame: Arcadex Carbon, 1.5" headset, 12x142mm thru-axle, Flat Mount disc, PressFit BB86
Fork: Bianchi Full Carbon Disc, 1.5" flat mount, 12x100mm thru-axle
Handlebar: Velomann Aluminum 6061, Gravel flare 16°
Stem: Velomann Alloy, -7°
Seatpost: Velomann Carbon Shaft, alloy head, 15mm offset
Saddle: Velomann Mitora 149 H-steel
Drivetrain & Brakes
Shifters: Shimano GRX RX610, 1x12-speed
Rear Derailleur: Shimano GRX RX822, 12-speed (clutch-equipped for chain retention)
Crankset: Shimano GRX RX610, 40T
Cassette: Shimano CS-M7100, 11-51T (Mullet configuration for maximum climbing range)
Chain: Shimano CN-M7100, 12-speed
Brakes: Shimano GRX RX400 Hydraulic Disc
Rotors: Shimano SM-RT64, 160mm
Wheels & Tires
Wheelset: Fulcrum Rapid Red 900 DB
Hubs: Fulcrum, CenterLock, 12mm Thru-Axle
Spokes: Stainless Steel, Straight pull
Tires: Pirelli Cinturato™ Gravel M Classic, 700x45c (Tan wall)
Key Technologies
ACR System Compatible: The frame supports fully integrated cable routing (Aerodynamic Cable Routing) for a sleek, snag-free cockpit.
Oversized Headtube: The distinctively large headtube junction ensures precise steering and stability when braking heavily on rough descents.
Adventure Ready: Hidden eyelets on the frame and fork allow for the mounting of mudguards and carriers, transforming it from a gravel racer to a fast tourer.
Gravel Geometry: A tall stack and long reach provide a comfortable yet sporty position, ideal for long days in the saddle over mixed surfaces.