Bianchi Specialissima RC Durace 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
Specialissima RC carbon HM, only electronic groupsets, fully internal cable routing, headset Acros ICR, direct mount brakes, BB-PressFit 86,5x41 sizes 47-50-53-55-57-59cm
Suspension Fork
Specialissima RC full Carbon HM aero, integrated head, disc, 1.5" head, 12x100mm thru axle
Drivetrain
Rear Derailleur
Shiamno Durace Di2 12sp, RD-R9250
Front Derailleur
Shimano, FD-R9250, DURA-ACE Di2, brazed-on type, top gear 46-55T, for rear 12-speed
Shift Levers
Shimano DURA-ACE Di2, ST-R9270(L), BR-R9270(F), for 160mm rotor, hydraulic disc brake for road
Cassette
Shimano, CS-R9200 DURA-ACE 12sp, 11-12-13-14-15-16-17-19-21-24-27-30T
Crank
Shimano, Dura-Ace 12sp, FC-R9200, 4iiii precision 3+ dual side power meter, 52x36T, Crank Length: 170mm-47/54cm, 172.5mm-55/59cm
Bottom Bracket
Shimano SM-BB92-41B, press fit type for road, right & left adapter, bearing, inner cover
Chain
Shimano Durace, CN-M9100, 12sp
Wheels
Rims
Reparto Corse RC Carbon 33mm profile, 700x21c, 24h, HG11, Spoke pattern 2 to 1, tubeless-ready, weight 1370 gr (±5%), Sealed cartridge bearings with CERAMIC balls
Tires
Pirelli P ZERO™ Race SL TLR, 28-622, 120TPI
Brakes
Brakes
Shimano BR-R9270 Hydraulic disc brake included in the shifter
Cockpit
Stem
Reparto Corse integrated handlebar, material Carbon, for Acros ICR system drop 125mm, reach 80mm Ext: 90/380 (47-50cm) ; 100/400 (53cm) ; 110/400 (55-57cm); 120/420 (59cm)
Handlebar
included in the stem
Headset
Acros IS52 ICR Ssbearings
Seat
Saddle
Bianchi RC139 Carbon, Inserts PWR gel, carbon fiber shell, carbon rails, Lenght: 250mm, Wide: 139 mm, Weight: 145 g
Seatpost
Specialissima Full Carbon Aero special dimension seatpost, 20mm offset, length: 280mm-47cm, 300mm-50/53cm, 350mm-55/59cm
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 |
