Bianchi Specialissima Ultegra Di2 12v Bicycle
Discover the Bianchi Specialissima Ultegra Di2 12v, an ultralight road bike designed to deliver high-level performance thanks to its carbon construction and Shimano Di2 electronic shifting technology. Ideal for climbers and demanding cyclists, this bicycle combines advanced aerodynamics, responsiveness, and comfort to tackle any challenge on the road.
Technical Specifications DEMO
New bicycles, still packaged.
Some models have slight paint defects, while others are free of imperfections.
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Chassis
Frame: Specialissima Disc carbon, TC21, compatible with mechanical and electronic transmission, tapered head tube 1.5" - 1.5", seat post 27.2mm, BB-PressFit 86.5x41 bottom bracket, internal cable routing for disc brakes, flat mount, thru-axle 12x142 mm. Available in sizes 47, 50, 53, 55, 57, 59, 61 cm.
Fork: Full Carbon FC21, integrated steering 1.5" > 1.5", internal cable routing for disc brake, flat mount, thru axle 12x100 mm.
Steering series: FSA NO.55R 1.5"/ACR, lower 1.5", upper 1.5", ACB bearings 36°- 45°.
Transmission
Commands: Shimano Ultegra Di2 12v, hydraulic disc brake.
Change: Shimano Ultegra Di2 12v, maximum sprocket 34T.
Derailleur: Shimano Ultegra Di2 12v, brazed mount, downward movement, upper chainring 50-54T.
Crankset: Shimano Ultegra 12v, Hollowtech 2, chainrings 50x34T. Crank arm length: 170 mm (47/54 cm), 172.5 mm (55/59 cm), 175 mm (61 cm).
Central movement: Shimano, press fit for road, right and left adapter with bearing and internal cover.
Chain: Shimano Ultegra 12v, 112 links, compatible HG 12v, with quick link.
Brakes
Brakes: Shimano BR-R8170, hydraulic disc brake integrated into the controls.
Rotors: Shimano RT-MT800, center lock with Ice Tech technology, diameter 160 mm front and rear.
Wheels
Wheels: Fulcrum Racing 400, asymmetric aluminum rim 622x19c, alloy hubs, tubeless ready, rim height 34 mm, 24 straight pull spokes in steel, thru-axle 12x100 mm front and 12x142 mm rear.
Tires: Pirelli P ZERO™ Race, size 26-622, 127TPI.
Cockpit
Handlebar Attack: Racing Department, AL6061 3D Forged/CNC aluminum, diameter 31.8 mm, inclination -6°, Di2 compatible. Lengths: 90 mm (47/50 cm), 100 mm (53 cm), 110 mm (55/57 cm), 120 mm (59 cm), 130 mm (61 cm).
Handlebar: Reparto Corse Compact, UD Weave carbon, diameter 31.8 mm, drop 125 mm, reach 80 mm, angle 4°. Widths: 400 mm (47/50 cm), 420 mm (53/57 cm), 440 mm (59/61 cm).
Strap/Grips: Velo Black in soft microfiber with EVA-139 shockproof, length 200x3 cm, color black/light blue, plugs VLP-56 BK.
Saddle
Seatpost: Racing Department SP-RK-165-MTC/WE/Di2, UD monocoque carbon, setback 25 mm, length 350 mm, diameter 27.2 mm, compatible with Di2 battery.
Saddle: Fi'zi:k Antares R1, carbon rails, dimensions 275x142 mm.
Please note
Technical specifications may change without notice based on component availability.
The product images are purely indicative and may not exactly reflect the described features.
Do you want to receive your bike ready for use? Don't forget to add the bike assembly service at the time of purchase! Discover all the details here: Francesconi bike assembly
A Complete Guide to Bike Sizes
Foreword: Not all bike sizes are the same
Each type of bike has a specific frame and often uses a different size scale. For example, a road bike with a 54cm frame might be considered a medium size by one brand, but a large by another.
Bicycle adjustment margins
Some types of bikes, like gravel bikes, offer a wide range of adjustments, adapting to different body types. Other models, however, have limitations in this regard. This is an important aspect to consider.
How to use size charts
We've created a simple guide to help you find the right bike size:
- Check out our size charts for each bike type.
- Learn more with specific tips to help you make the right choice.
Size Charts: Find Your Perfect Bike
Gravel and road bikes
Sizes are based on the length of the top tube (in cm), which determines the reach of the bike.
| Cut
|
Recommended height
|
Horizontal tube length
|
| XS |
Up to 157 cm |
48-50 cm |
| S |
157-167 cm |
50-53 cm |
| M |
168-178 cm |
53-56 cm |
| THE |
178-185 cm |
56-58 cm |
| XL |
Over 185cm |
58-62 cm |
For gravel, measurements may vary slightly due to different geometries, but remain similar.
Mountain bike
MTBs are measured in inches, based on the seat tube.
| Cut
|
Recommended height
|
Size (in inches)
|
| XS |
Up to 157 cm |
14"-16" |
| S |
157-167 cm |
15"-17" |
| M |
168-178 cm |
16"-19" |
| THE |
178-185 cm |
18"-20" |
| XL |
Over 185cm |
20"-23" |
Sizes also vary depending on the type of MTB: full-suspension , hardtail or fat bike .
Children's bikes
The size depends on the size of the wheels, often associated with age:
| Age
|
Wheel Size
|
| 1-3 years |
12" |
| 2-4 years |
14" |
| 4-6 years |
16" |
| 5-8 years |
20" |
| 8-10 years |
24" |
| Over 10 years |
26"/27.5" |
What to do with half measures?
If you are between two sizes:
-
Comfort : Choose the larger size.
-
Performance : Go for the smaller size.
Final tips for choosing
-
Consult the manufacturer's instructions : Always check the brand's guidelines.
-
Ask an expert : a specialized workshop can help you choose based on your height, ideal reach and goals.
-
Test the bike : If possible, test the model you intend to purchase.
