Orro Signature Plus Venturi STC Dura-Ace Di2

2021 RoadAero Manufacturer page

Price: Not published

Prices shown first for United States
United Kingdom: £6,999 Last known price
Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 11 36–52t / 11–30t
Gear range: 394%
Frame: Carbon
Brakes: Hydraulic disc

Not published by the manufacturer

Sizes and geometry

Components

12 of 16 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

ORRO Venturi STC Not identified

Suspension

1 part

Fork
- Orro

Drivetrain

7 parts

Brakes

1 part

Brakes
- Shimano Dura-Ace BR-R9100
BR-R9100

Wheels and tires

2 parts

Cockpit and contact points

4 parts

Handlebar

BlkTec Carbon Aero Not identified
Saddle
- Orro
Seatpost
- Orro
Stem

BlkTec Carbon Aero Not identified

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Carbon

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 36
Largest chainring: 52
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 30
Lowest gear: 34.8 in
Highest gear: 137.1 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Electronic

Additional specifications

Bottom bracket standard: BB86/BB92
Wheel material: Carbon
Wheel size: 700c

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

34.8 gear inches

This value is within the central range for this class.

Cohort: Road / Aero Model year: 2021
Sample: 129 bicycles with this information
Coverage: 87.7% of the class

Highest gear

137.1 gear inches

This value is within the central range for this class.

Cohort: Road / Aero Model year: 2021
Sample: 129 bicycles with this information
Coverage: 87.7% of the class

Shifting

Electronic

87 of 147 bicycles with this information use electronic shifting.

Cohort: Road / Aero Model year: 2021
Sample: 147 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 13.3 km/h
Highest gear: 52.5 km/h

Total gear range 394%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 34.8–137.1 gear inches
Class reference (p10–p90): 30.8–139.2 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Aero Model year: 2021
Lowest gear: 129 bicycles with this information, 87.7% of the class
Highest gear: 129 bicycles with this information, 87.7% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2021 builds

Differences across 2021 builds
Specification	This bicycle Orro Signature Plus Venturi STC Dura-Ace Di2	Orro Signature Venturi STC Chorus	Orro Signature Venturi STC SRAM Force eTap	Orro Signature Venturi STC SRAM Red eTap	Orro Signature Venturi STC Ultegra Di2
Drivetrain
Smallest chainring	36	Not informed	Not informed	Not informed	Not informed
Largest chainring	52	Not informed	Not informed	Not informed	Not informed
Rear sprockets	11	Not informed	12	11	12
Smallest sprocket	11	11	10	Not informed	11
Largest sprocket	30	28	33	Not informed	30
Lowest gear	34.8 in	Not informed	Not informed	Not informed	Not informed
Highest gear	137.1 in	Not informed	Not informed	Not informed	Not informed
Cockpit
Shifting	Electronic	Mechanical	Electronic	Electronic	Electronic
Other specifications
Bottom bracket standard	BB86/BB92	BB86/BB92	BB86/BB92	BB86/BB92	Not informed