Bianchi SPECIALISSIMA 140TH RC DURA-ACE DI2 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Groupset Dura-Ace Di2
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Suspension Rigid
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Drivetrain 2 × 12 Electronic
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Brakes Shimano Dura-Ace Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Bianchi Specialissima RC carbon High Modulus, only electronic groupsets, fully internal cable routing, headset Acros ICR, direct mount brakes, BB-PressFit 86.5x41 sizes 47-50-53-55-57-59
Suspension Fork
Bianchi Specialissima RC full Carbon High Modulus aero, integrated head, disc, 1.5 head, 12x100 mm thru axle
Drivetrain
Rear Derailleur
Shimano Dura-Ace Di2, RD-R9250, 12sp
Front Derailleur
Shimano Dura-Ace Di2, FD-R9250
Shift Levers
Shimano Dura-Ace Di2, shifter lever ST-R9270
Cassette
Shimano Dura-Ace, CS-R9200 11-30T, 11-12-13- 14-15-16-17-19-21-24-27-30T
Crank
Shimano Dura-Ace, FC-R9200, 4iiii precision 3+ dual side power meter, 52x36T Crank length: 170 mm (47-53 cm); 172.5 mm (55-59 cm)
Bottom Bracket
Shimano SM-BB92-41B, press fit type for road
Chain
Shimano Dura-Ace, CN-M9100
Wheels
Rims
Bianchi Reparto Corse RC33R, Carbon rim, 33mm profile, 700x21c, 24h, HG11 body
Tires
Pirelli P ZERO Race TLR, 28-622, 127 TPI, SPEEDCore
Brakes
Brakes
Shimano BR-R9270 Hydraulic disc brake
Brake Levers
Included in the shifter
Cockpit
Stem
Bianchi Reparto Corse integrated handlebar, carbon, for Acros Integrated Cable Routing headset, drop 125 mm, reach 80 mm Size: 90/380 mm (47-50 cm) ; 100/400 mm (53 cm) ; 110/400 mm (55-57 cm); 120/420 mm (59 cm)
Handlebar
Included in the stem
Headset
Acros Acros IS52 Integrated Cable Routing
Seat
Saddle
Bianchi Reparto Corse RC139 Carbon, 139x250 mm, full carbon
Seatpost
Bianchi Specialissima, full carbon, aero shape, 20 mm offset length: 280 mm (47 cm); 300 mm (50-53 cm); 350 mm (55-59 cm)
Fit data
Numbers for sizing and ride feel.
| Size | 47cm | 50cm | 53cm | 55cm | 57cm | 59cm |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.282 mm | 1.276 mm | 1.347 mm | 1.371 mm | 1.39 mm | 1.428 mm |
| Bottom Bracket Height | 278 mm | 278 mm | 268 mm | 268 mm | 268 mm | 268 mm |
| Front Center | 579 mm | 581 mm | 582 mm | 588 mm | 593 mm | 603 mm |
| Rake | 43 mm | 42 mm | 45 mm | 43 mm | 43 mm | 43 mm |
| Trail | 73 mm | 68 mm | 62 mm | 61 mm | 58 mm | 58 mm |
| Stack | 486 mm | 494 mm | 520 mm | 536 mm | 552 mm | 571 mm |
| Reach | 379 mm | 387 mm | 386 mm | 391 mm | 397 mm | 400 mm |
| Top Tube Length | 514 mm | 524 mm | 535 mm | 550 mm | 560 mm | 575 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74 ° | 73.5 ° | 73.5 ° | 73 ° |
| Seat Tube Length | 420 mm | 450 mm | 480 mm | 500 mm | 520 mm | 540 mm |
| Head Tube Angle | 70.5 ° | 71.5 ° | 72 ° | 72.5 ° | 73 ° | 73 ° |
| Head Tube Length | 100 mm | 105 mm | 120 mm | 135 mm | 150 mm | 170 mm |
| Chainstay Length | 410 mm | 410 mm | 410 mm | 410 mm | 412 mm | 412 mm |
| Wheelbase | 982 mm | 983 mm | 984 mm | 988 mm | 996 mm | 1005 mm |
| Bottom Bracket Drop | 58 mm | 58 mm | 68 mm | 68 mm | 68 mm | 68 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
