The Bianchi Impulso Pro is a dedicated "gravel racing" machine, designed for those who view gravel as a competitive discipline rather than a casual touring hobby. Unlike traditional gravel bikes that prioritize mounting points for bags and racks, the Impulso Pro borrows heavily from aero-road design. It features clean, aerodynamic tube profiles and a fully integrated cockpit to minimize drag during high-speed off-road efforts.
This specific model is powered by the Shimano GRX 820 12-speed mechanical groupset. It is a "double" (2x12) setup, which is increasingly favoured by gravel racers who want tighter gear jumps to maintain a perfect cadence on rolling terrain, while still having a massive range for steep, loose climbs. Finished in a striking Aquamarine / Graphite or Celeste CK16, it is one of the most aggressive-looking bikes in the gravel segment.
Frameset & Geometry
Frame: Impulso Pro Carbon, Full Internal Cable Routing (ICR), BB-PressFit 86.5x41, 12x142mm Thru-Axle
Fork: Bianchi Full Carbon Aero, 1.5" Tapered, 12x100mm Thru-Axle
Handlebar: Velomann AeroGravel, Alloy 6061, Flare 16° (Designed for control in the drops)
Stem: Velomann AICR Alloy (Fully integrated routing)
Seatpost: Velomann Carbon, Aero Shape, 20mm Offset
Saddle: Velomann Mitora 149 Hyper
Drivetrain & Brakes
Shifters: Shimano GRX 820 ST-RX820, 2x12-Speed
Front Derailleur: Shimano GRX 820 FD-RX820
Rear Derailleur: Shimano GRX 820 RD-RX820, 12-Speed (Shadow RD+ clutch system)
Crankset: Shimano GRX 820 FC-RX820, 48/31T
Bottom Bracket: Shimano SM-BB72-41B, PressFit
Cassette: Shimano Ultegra CS-R8101 / HG710, 11-34T
Chain: Shimano CN-M8100
Brakes: Shimano GRX 820 BR-RX820 Hydraulic Disc
Rotors: Shimano RT-MT800 CenterLock, 160mm (Front & Rear)
Wheels & Tires
Wheelset: Velomann Terbium 30 Carbon, 30mm depth, 25mm internal width, Tubeless Ready
Hubs: Velomann, CenterLock, 12mm Thru-Axle
Tires: Pirelli Cinturato™ Gravel H (Hardpack), 700x40c
Max Tire Clearance: 42mm (Optimized for racing speed rather than monster-cross use)
Key Technologies
Aero-Gravel Optimization: The frame profile is designed to slice through the wind, a feature often neglected in gravel design. This makes the Impulso Pro significantly faster on flat, exposed sectors and fire roads.
Integrated Cockpit (AICR): By hiding all cables within the stem and headset, Bianchi has protected the housings from mud and grit while improving the bike's aerodynamic signature.
Velomann Terbium Carbon Wheels: At 30mm deep with a wide 25mm internal channel, these wheels are designed to support higher-volume tires at lower pressures, providing grip without the weight penalty of alloy rims.
GRX 820 "Unstoppable" Gearing: The 48/31T front pairing combined with the 12-speed 11-34T rear provides a gear range that covers everything from 50km/h sprints to 15% gradient "hike-a-bike" climbs.
Pirelli Cinturato Gravel H: These tires feature a low-profile center tread for low rolling resistance on hard surfaces, with reinforced side knobs for cornering confidence on loose-over-hard terrain.