MSRP | $1,400 | $2,100 |
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Where to Buy | — $1 At | — $1 At |
Category | Gravel | Gravel |
Steel | Steel | |
Fork | Steel | Carbon |
Wheel Size | 700c | 700c |
Clearance | 42c | 42c |
Brakes | Mechanical Disc | Hydraulic Disc |
Groupset | Sora | 105 |
Drivetrain | 2 × 9 | 2 × 11 |
Brand Site | ||
Summary | The Bianchi Orso Sora and Bianchi Orso 105 are both steel frame gravel bikes. The Orso Sora has a steel fork, while the Orso 105 has a carbon fork and better components. |
Based on frame geometry and build specs.
Frame | Orso steel, 1.4" - 1.1/8" headset, 27.2mm seat tube, 3 water bottle bosses, flat mount disc, thru axle 12x141mm, BSA bottom bracket, 42mm tire clearance BB Standard: BSA, 68mm, Threaded Tire Clearance: 42c | Orso steel, flat mount disc, thru axle 12x142mm, compatible with 42mm tire, mudguard and rear carrier ready BB Standard: BSA, 68mm, Threaded Tire Clearance: 42c |
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Fork | Bianchi Cr-Mo disc, 1.4" - 1.1/8", flat mount disc brak, thru axle 12x100mm, fork leg water bottle bosses | Bianchi Alu/Carbon 1.4" - 1.1/8", flat mount disc, thru axle 12x100mm |
Bottom Bracket | Shimano BB-RS500 | Shimano BB-RS500 |
Headset | Fsa NO.11AGY/NO.12B/47-2 | Fsa NO.11 / Bianchi |
Stem | Reparto Corse Alloy | Bianchi 3D Forged Alloy |
Handlebar | Reparto Corse Aluminum 6061, 16deg angle flare | Bianchi Alloy |
Saddle | Bianchi saddle | WTB Speed V Sport SE |
Seatpost | Reparto Corse alloy | Bianchi Alloy 27.2mm |
Rear Derailleur | Shimano Sora RD-R3000 GS 9sp | Shimano 105 11sp |
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Front Derailleur | Shimano Sora FD-R3000 | Shimano 105 |
Crank | Shimano Sora FC-R3000 50x34T | Shimano 105 Hollowtech II 50x34T |
Shifters | Shimano Sora ST-R3000 2x9sp | Shimano 105 11sp for hydraulic disc brake |
Cassette | Shimano CS-HG400-9, 11-34T | Shimano 105 11-32T |
Chain | Kmc X9 9sp | KMC X11 |
Brakes | Tektro MD-C510 | Shimano RS505 flat mount, hydraulic disc brake |
Brake Levers | included w/shifters | included w/shifters |
Front Hub | Formula CL-712 road disc, center Lock, thru axle 12x100mm, 2SB bearings | Formula CL-712 12x100mm thru-axle |
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Rear Hub | Formula CL-400 disc, center lock, sealed bearings, thru axle 12x142mm | Formula RXC-142S 12x142mm thru-axle |
Tires | Kenda Happy Medium 700x40 | Kenda Flintridge 700x40 |
Disc Rotors | Tektro TR-160-35, 160mm | Shimano RT70 Center Lock with Ice Technology 160mm |