2020 Bianchi

Orso 105

A steel frame gravel bike with upper mid-range components and hydraulic disc brakes.
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FrameSteel
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
Groupset105
BrakesHydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

Orso 105

36 mph

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Highest gear

(descending)

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Orso steel, 1.4" - 1.1/8" headset, seatpost diam. 27.2mm, flat mount disc, thru axle 12x142mm, bbset BSA, compatible with 42mm tire, mudguard and rear carrier ready, sizes 46-49-51-53-55-57-59-61cm

BB StandardBSA, 68mm, Threaded

Fork

Bianchi Alu/Carbon 1.4" - 1.1/8", flat mount disc brake, thru axle 12x100mm

Bottom Bracket

Shimano SM-BBR60

Headset

Fsa NO.11AGY/NO.12B/47-2, 1.1/4" - 1.1/8"

Stem

3D Forged Alloy, rise 7°, 31.8mm, ext: 70mm-46cm, 90mm-49/53cm, 100mm-55cm, 110mm-57/59cm, 120mm-61cm

Handlebar

Aluminum 6061, reach 70mm, flare angle 16°, drop cc 120 in size 40cm and 130mm in size 42-44cm, 31.8mm, Size: 400mm-46/53cm, 420mm- 55/59cm, 440mm-61/63cm

Saddle

Wtb Speed V Sport SE, steel rail

Seatpost

AL6061 shaft, alloy head, 15mm offset, diam. 27,2mm, Length: 300mm-46cm, 350mm-49/61cm

TypeRigid

Grips

Cork w/Bianchi logo

Groupset
Rear Derailleur

Shimano 105 RD-R7000 GS 11sp

Front Derailleur

Shimano 105 FD-R7000-L

Crank

Shimano 105 FC-R7000 50x34T, Hollowtech II, Crank Length: 170mm-46/55cm, 172.5mm-57/59cm, 175mm-61cm

Shifters

Shimano 105 ST-R7020 2x11sp

Cassette

Shimano 105 CS-HG70011, 11-13-15-17-19-21-23-25-27-30-34T

Chain

Kmc X11-1 EPT finish, 11sp

Brakes

Shimano BR-R7070

TypeHydraulic Disc

Brake Levers

included w/shifters

Wheels
Rims

AlexRims ATD500 road disc

Front Hub

Formula CL-712 road disc

Rear Hub

Formula RXC-142S road disc

Tires

Kenda Flintridge 700x40

Disc Rotors

Shimano SM-RT70, diam. 160mm

Rider Notes
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Last updated February 24
Not listed for 1,489 days