The Bianchi Infinito CV Ultegra 11sp (YRB54I53IB) is a masterclass in endurance engineering, specifically famous for its use of NASA-tested materials to conquer rough roads. Unlike the standard "Infinito" models, the CV designation indicates that this frame is built with Countervail vibration-cancelling technology. It is designed for the rider who wants a fast, responsive Italian racing bike but spends their time on "real world" surfaces—chip-seal, pavé, or cracked asphalt—where road buzz usually leads to fatigue.
This specific 53cm build (IB) comes in a stealthy Black / Graphite finish. It utilizes the Shimano Ultegra R8000 11-speed mechanical groupset, which remains a favourite among purists for its legendary reliability, tactile shifting feel, and lightweight profile compared to many electronic alternatives.
Frameset & Geometry
Frame: Infinito CV Carbon w/Countervail, Mechanical/Electronic shifting compatible, 12x142mm Thru-Axle, PressFit 86.5mm BB
Fork: Bianchi Full Carbon w/Countervail, 1.5" Tapered, Flat Mount, 12x100mm Thru-Axle
Handlebar: Velomann Compact, Alloy 2014, 31.8mm
Stem: Velomann 3D Forged Alloy 6061, Rise -7°
Seatpost: Infinito Full Carbon, 15mm/25mm Offset Adjustable (Full carbon for extra vertical flex)
Saddle: Fi'zi:k Aliante R7
Color: Black / Graphite
Drivetrain & Brakes
Shifters: Shimano Ultegra ST-R8020, 2x11-Speed (Mechanical/Hydraulic)
Front Derailleur: Shimano Ultegra FD-R8000
Rear Derailleur: Shimano Ultegra RD-R8000-GS, 11-Speed
Crankset: Shimano Ultegra FC-R8000, 50x34T (Compact)
Bottom Bracket: Shimano SM-BB72-41B, PressFit
Cassette: Shimano Ultegra CS-R8000, 11-30T (or 11-32T)
Chain: Shimano Ultegra CN-HG701-11
Brakes: Shimano Ultegra BR-R8070 Hydraulic Disc
Rotors: Shimano RT-MT800, 160mm (Front & Rear)
Wheels & Tires
Wheelset: Fulcrum Racing 418 Disc (or Racing 400), 34mm Depth, Alloy, Tubeless Ready
Hubs: Fulcrum, CenterLock, Thru-Axle
Tires: Vittoria Rubino IV G2.0 Graphene, 700x28c
Max Tire Clearance: 32mm
Key Technologies
Countervail (CV) Technology: This is a viscoelastic carbon material embedded within the frame's layup. Unlike physical dampers or springs, CV cancels 80% of road vibrations at the fibre level, significantly reducing muscle fatigue over long durations.
Endurance Geometry: The 53cm frame features a taller stack and shorter reach compared to a pure race bike, allowing for a more sustainable upper-body position without needing a stack of spacers.
Stable Wheelbase: The chainstays are slightly longer than on a race-focused frame, which provides a more stable and "planted" feeling when descending at high speeds or riding through crosswinds.
Ultegra R8000 Mechanical: This groupset is widely considered the "sweet spot" of cycling history—offering nearly identical performance to Dura-Ace with mechanical simplicity that is easy to service at any bike shop in the world.