Bicycle Archive · Specification report

2027 Bianchi Specialissima PRO Ultegra Di2 - 4iiii Power Meter

Velopedia Archive ID 900001047

Overview

Model year	2027
Brand	Bianchi
Model	Specialissima PRO Ultegra Di2 - 4iiii Power Meter
Bicycle type	Road
Archive ID	900001047
Original MSRP	$9,008.00
Colors	JU – Ying & Yang: Carbonio UD / Bianco Italia + Logo cromato iridescente + Full Glossy
Sizes	47; 50; 53; 55; 57; 59

Frameset

Frame construction	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
Frame material	Carbon Fiber
Fork	Bianchi Specialissima carbon, ICR 1.5″ integrated head, Disc brake flat mount 140mm, thru axle 12×100 w/countervail
Fork material	Carbon Fiber

Drivetrain

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, 4iiii precision 3 single side power meter, 52x36T 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 Ultegra, CS-R8101 11-34T, 11-12-13-14-15-17-19-21-24-27-30-34T
Chain	Shimano Dura-Ace, CN-M9100

Brakes

Brakes	Shimano BR-R8170 Hydraulic disc brake; Rotors: Shimano RT-CL800 Center Lock with Ice Tech, 160 mm; Levers: Included in the shifter

Cockpit & contact points

Headset	Acros IS52 Integrated Cable Routing
Handlebar	Included in the stem
Stem	Bianchi 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)
Saddle	Prologo Nago R4 PAS, nack carbon rail, Nylon Injection, 156gr., 245×137
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)

Wheels & tires

Wheels	Bianchi RC 49R 25-622, profile height 49mm,straight-pull, ratchet system, tubeless ready, HG11 body
Front tire	Continental 30-622 Grand Prix 5000S TR black
Rear tire	Continental 30-622 Grand Prix 5000S TR black

Geometry · 47

Seat tube	420 mm
Effective top tube	514 mm
Head tube	100 mm
Head-tube angle	70.5°
Seat-tube angle	74.5°
Chainstay / rear center	410 mm
Wheelbase	982 mm
Bottom-bracket drop	58 mm
Reach	379 mm
Stack	486 mm
Fork offset / rake	43 mm
Front center	579 mm
Fork length / axle-to-crown	368 mm

Geometry · 50

Seat tube	450 mm
Effective top tube	524 mm
Head tube	105 mm
Head-tube angle	71.5°
Seat-tube angle	74.5°
Chainstay / rear center	410 mm
Wheelbase	983 mm
Bottom-bracket drop	58 mm
Reach	387 mm
Stack	494 mm
Fork offset / rake	43 mm
Front center	581 mm
Fork length / axle-to-crown	368 mm

Geometry · 53

Seat tube	480 mm
Effective top tube	535 mm
Head tube	120 mm
Head-tube angle	72°
Seat-tube angle	74°
Chainstay / rear center	410 mm
Wheelbase	984 mm
Bottom-bracket drop	68 mm
Reach	386 mm
Stack	520 mm
Fork offset / rake	43 mm
Front center	582 mm
Fork length / axle-to-crown	368 mm

Geometry · 55

Seat tube	500 mm
Effective top tube	550 mm
Head tube	135 mm
Head-tube angle	72.5°
Seat-tube angle	73.5°
Chainstay / rear center	410 mm
Wheelbase	988 mm
Bottom-bracket drop	68 mm
Reach	391 mm
Stack	536 mm
Fork offset / rake	43 mm
Front center	588 mm
Fork length / axle-to-crown	368 mm

Geometry · 57

Seat tube	520 mm
Effective top tube	560 mm
Head tube	150 mm
Head-tube angle	73°
Seat-tube angle	73.5°
Chainstay / rear center	412 mm
Wheelbase	996 mm
Bottom-bracket drop	68 mm
Reach	397 mm
Stack	552 mm
Fork offset / rake	43 mm
Front center	593 mm
Fork length / axle-to-crown	368 mm

Geometry · 59

Seat tube	540 mm
Effective top tube	575 mm
Head tube	170 mm
Head-tube angle	73°
Seat-tube angle	73°
Chainstay / rear center	412 mm
Wheelbase	1005 mm
Bottom-bracket drop	68 mm
Reach	400 mm
Stack	571 mm
Fork offset / rake	43 mm
Front center	603 mm
Fork length / axle-to-crown	368 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.