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2027 Bianchi Specialissima Ultegra Di2

Original specifications: geometry for 6 published sizes.

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At a glance

Archive #900001051
Model year
2027
Category
Road
Original MSRP
$7,370.00
Sizes
47, 50, 53, 55, 57, 59
Colors
JE – Celeste: Celeste Metallico / Celeste Scuro + Logo CK16 + Full Glossy, JF – Black in black: Nero / Logo cromato iridescente + Satin / Glossy, JS – Mocha: Bianco Italia / Bronzo + Logo nero + Full Glossy
Geometry
6 manufacturer sizes
In this record
20 specifications · 3 archived images · original MSRP · geometry
Campaign
Original buildCarbon Fiber

Manufacturer catalog

Published sizes and colors

6 sizes · 3 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

475053555759

Published colors

JE – Celeste: Celeste Metallico / Celeste Scuro + Logo CK16 + Full GlossyJF – Black in black: Nero / Logo cromato iridescente + Satin / GlossyJS – Mocha: Bianco Italia / Bronzo + Logo nero + Full Glossy

Frameset

Frame ConstructionBianchi Specialissima PRO carbon, only electronic groupsets, fully internal cable routing, Flat mount disc brake type, UDH compatible, BBPressFit 86.5×41, Max crankset compatibility 58T sizes 47-50-53-55-57-59
Frame MaterialCarbon Fiber
ForkBianchi Specialissima carbon, ICR 1.5″ integrated head, Disc brake flat mount 140mm, thru axle 12×100 w/countervail
Fork MaterialCarbon Fiber

Drivetrain

ShiftersShimano Ultegra Di2, shifter lever ST-R8170, caliper BR-R8170
Front DerailleurShimano Ultegra Di2, FD-R8150
Rear DerailleurShimano Ultegra Di2, RD-R8150, 12sp
CranksetShimano Ultegra, FC-R8100, 50x34T Crank length: 165 mm (47-50 cm); 170 mm (53-55 cm); 172.5 mm (57-59 cm)
Bottom BracketShimano SM-BB72-41B, press fit type for road
CassetteShimano 105, CS-R7100 11-34T, 11-12-13-14-15-17-19-21-24-27-30-34T
ChainShimano CN-M7100, for HG 12- speed

Brakes

BrakesShimano BR-R8170 Hydraulic disc brake; Rotors: Shimano RT-CL700 Center Lock, 160 mm; Levers: Included in the shifter

Cockpit & Contact Points

HeadsetAcros IS52 Integrated Cable Routing
HandlebarIncluded in the stem
StemBianchi Reparto Corse Carbon integrated handlebar, for Acros ICR system drop 125mm, reach 80mm Size: 90/380 (47-50 cm); 100/380 (53 cm); 110/400 (55-57 cm); 120/420 (59 cm)
SaddlePrologo Nago R4 PAS, steel rail, Nylon Injection, 265 g, Length: 245 mm, Width: 137 mm
SeatpostBianchi Specialissima seatpost Full Carbon Aero length: 280 mm, 0 offset (47 cm); 300 mm, 0 offset (50-53 cm); 350 mm, 20 mm offset (55-57-59 cm)

Wheels & Tires

WheelsBianchi B 49R, 25-622, profile height 49 mm, jbend spokes, ratchet system, tubeless ready, HG11 body
Front TireContinental 30-622 Grand Prix TR black
Rear TireContinental 30-622 Grand Prix TR black

Geometry

6 sizes · 13 measurements

Frame measurements by size.

All geometry measurements6 sizes · 13 measurements
Measurement475053555759
Seat tube420 mm450 mm480 mm500 mm520 mm540 mm
Effective top tube514 mm524 mm535 mm550 mm560 mm575 mm
Head tube100 mm105 mm120 mm135 mm150 mm170 mm
Head-tube angle70.5°71.5°72°72.5°73°73°
Seat-tube angle74.5°74.5°74°73.5°73.5°73°
Chainstay / rear center410 mm410 mm410 mm410 mm412 mm412 mm
Wheelbase982 mm983 mm984 mm988 mm996 mm1005 mm
Bottom-bracket drop58 mm58 mm68 mm68 mm68 mm68 mm
Reach379 mm387 mm386 mm391 mm397 mm400 mm
Stack486 mm494 mm520 mm536 mm552 mm571 mm
Fork offset / rake43 mm43 mm43 mm43 mm43 mm43 mm
Front center579 mm581 mm582 mm588 mm593 mm603 mm
Fork length / axle-to-crown368 mm368 mm368 mm368 mm368 mm368 mm

Dimensions as recorded.

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

All published sizes50/34T · 11–34T · 12-speed
Lowest1.00:1 Highest4.55:1 Total range455%
Estimated speed At 90 RPM Lowest gear7.2 mph Highest gear32.7 mph

Rear tire: 700C×30 · 30-622 ETRTO.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
Shimano CN-M7100

for HG 12- speed

Retailer offers
Cassette · Original
Shimano 105

CS-R7100 11-34T, 11-12-13-14-15-17-19-21-24-27-30-34T

Retailer offers
Front tire · Original
Continental 30-622 Grand Prix TR black
Retailer offers
Other replacement options (4)
More parts (6)Fewer parts
Front derailleur · Original
Shimano Ultegra Di2

FD-R8150

Retailer offers
Rear derailleur · Original
Shimano Ultegra Di2

RD-R8150, 12sp

Retailer offers
Brake pads · Original
Shimano BR-R8170 Hydraulic disc brake

Rotors: Shimano RT-CL700 Center Lock, 160 mm; Levers: Included in the shifter

Bottom bracket · Original
Shimano SM-BB72-41B

press fit type for road

Saddle · Original
Prologo Nago R4 PAS

steel rail, Nylon Injection, 265 g, Length: 245 mm, Width: 137 mm

Crankset · Original
Shimano Ultegra

FC-R8100, 50x34T Crank length: 165 mm (47-50 cm); 170 mm (53-55 cm); 172.5 mm (57-59 cm)

Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.

Service essentialsQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire
Continental 30-622 Grand Prix TR blackCheck: Verify the fitted tire’s size marking and rim type.
Rear tire
Continental 30-622 Grand Prix TR blackCheck: Verify the rear size; it may differ from the front.
Drivetrain
12-speedCheck: Match the installed drivetrain family, not just its speed count.
Bottom bracket / shell
Shimano SM-BB72-41B, press fit type for roadCheck: Verify shell type and width, crank interface, and spindle length or spacers.

Not confirmed in this record: Seatpost diameter. Check the fitted parts for these details.

Bike-specific inspection checklist 20 checks based on 5 archived component groups Open checklistClose checklist
0 of 20 checked Progress stays in this browser for this record.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2027 Bianchi Specialissima Ultegra Di2 · Road · Published sizes: 47, 50, 53, 55, 57, 59

Archived: Frame: Bianchi Specialissima PRO carbon, only electronic groupsets, fully internal cable routing, Flat mount disc brake type, UDH compatible, BBPressFit 86.5×41, Max crankset compatibility 58T sizes 47-50-53-55-57-59 · Fork: Bianchi Specialissima carbon, ICR 1.5″ integrated head, Disc brake flat mount 140mm, thru axle 12×100 w/countervail · Carbon Fiber

Archived: Shifters: Shimano Ultegra Di2, shifter lever ST-R8170, caliper BR-R8170 · Front derailleur: Shimano Ultegra Di2, FD-R8150 · Rear derailleur: Shimano Ultegra Di2, RD-R8150, 12sp · Crankset: Shimano Ultegra, FC-R8100, 50x34T Crank length: 165 mm (47-50 cm); 170 mm (53-55 cm); 172.5 mm (57-59 cm) · Bottom bracket: Shimano SM-BB72-41B, press fit type for road · Cassette: Shimano 105, CS-R7100 11-34T, 11-12-13-14-15-17-19-21-24-27-30-34T · Chain: Shimano CN-M7100, for HG 12- speed

Archived: Brakes: Shimano BR-R8170 Hydraulic disc brake; Rotors: Shimano RT-CL700 Center Lock, 160 mm; Levers: Included in the shifter

Archived: Wheels: Bianchi B 49R, 25-622, profile height 49 mm, jbend spokes, ratchet system, tubeless ready, HG11 body · Front tire: Continental 30-622 Grand Prix TR black · Rear tire: Continental 30-622 Grand Prix TR black

Controls and contact points

Archived: Headset: Acros IS52 Integrated Cable Routing · Handlebar: Included in the stem · Seatpost: Bianchi Specialissima seatpost Full Carbon Aero length: 280 mm, 0 offset (47 cm); 300 mm, 0 offset (50-53 cm); 350 mm, 20 mm offset (55-57-59 cm) · Saddle: Prologo Nago R4 PAS, steel rail, Nylon Injection, 265 g, Length: 245 mm, Width: 137 mm

Before and during the test ride

Follow the full used-bike inspection order →

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Gallery3 images

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Campaign

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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