Bianchi Specialissima Comp Ultegra Di2 12sp Bike - Grey

Bianchi Specialissima Comp Ultegra Di2 12V Bicycle – The legend of lightness

The Bianchi Specialissima Comp Ultegra Di2 12V embodies the pure essence of speed.
Designed for those who live road cycling as a true extension of their body, this Specialissima combines an ultralight carbon frame, electronic transmission Shimano Ultegra Di2, and an aerodynamic design crafted in every detail.
The result? A smooth, precise, and incredibly high-performing riding experience — both uphill and on the fastest sections.

Technical Specifications

Frame

• Frame kit: Specialissima COMP in carbon fiber, compatible exclusively with electronic groupsets.

  • Fully internal cable routing.

  • Headset Acros ICR.

  • Brakes direct mount.

  • Bottom bracket PressFit 86.5x41.

  • Available sizes: 47 – 50 – 53 – 55 – 57 – 59 cm.

• Fork: Specialissima COMP in aero carbon, integrated head, disc, with 1.5" steerer tube and 12x100 mm thru-axle.

• Headset: Acros IS52 ICR.

Drivetrain

• Shifters: Shimano Ultegra Di2 with hydraulic disc brakes ST-R8170 / BR-R8170, compatible with 160 mm rotors.

• Rear derailleur: Shimano Ultegra Di2 12v RD-R8150.

• Front derailleur: Shimano FD-R8150, Ultegra Di2, smooth and precise, compatible with 50-54T chainrings (12-speed).

• Crankset: Shimano Ultegra FC-R8100, 12-speed, 52x36T.

  • Crank arm lengths:

    • 170 mm (sizes 47–54 cm)

    • 172.5 mm (sizes 55–59 cm)

• Bottom bracket: Shimano SM-BB92-41B, press-fit road, with adapters, bearings, and internal cover.

• Chain: Shimano CN-M8100, 12-speed.

• Cassette: Shimano Ultegra CS-R8100, 12-speed, 11-12-13-14-15-16-17-19-21-24-27-30T.

Brakes

• Brakes: Shimano BR-R8170, hydraulic disc brakes integrated into the levers.

• Discs: Shimano RT-CL800 Center Lock with Ice Tech technology, 160 mm diameter (front and rear).

Wheels and Tires

• Wheels: Velomann Palladium, 33 mm profile, 700x21c, 24h, XDR body, 2:1 spoke pattern, Tubeless Ready (TLR).

  • Set weight: 1460 g (±5%)

  • Bearings with sealed cartridge.

• Tires: Pirelli P ZERO™ Race, 26-622, 127 TPI – for maximum rolling efficiency and grip.

Cockpit and Components

• Stem: Velomann AL6061, fully internal cable routing, compatible with Acros AICR system.

  • Lengths:

    • 90 mm (size 47)

    • 100 mm (50/53)

    • 110 mm (55/57)

    • 120 mm (59)

• Handlebar: Velomann Aero Compact, alloy Ø31.8 mm, reach 74 mm, drop 116 mm.

  • Sizes: 400 mm (47–53 cm), 420 mm (55–59 cm).

• Tape/Grips: Velo in soft black microfiber, for a comfortable and stable grip even on long rides.

Saddle and Seatpost

• Seatpost: Specialissima in Aero carbon, special sizes, 20 mm offset.

  • Lengths:

    • 280 mm (47 cm)

    • 300 mm (50–53 cm)

    • 350 mm (55–59 cm)

• Saddle: Velomann Mitora 139, open flow design, rails in AISI steel, shell in nylon reinforced with carbon.

  • Width: 139 mm

  • Length: 250 mm

  • Weight: 220 g (±2 g)

Note Well

Technical specifications may change without notice depending on component availability.
Product images are purely indicative and may not exactly reflect the described features.

The Bianchi Specialissima Comp Ultegra Di2 12V is more than a bike: it's a statement of style and power. Perfect for the ambitious cyclist seeking responsiveness, precision, and timeless design, in a package that combines cutting-edge technology and Italian artisanal passion.