Bianchi Arcadex PRO /822 disc GRX 820

Name: Bianchi Arcadex PRO /822 disc GRX 820
Brand: Bianchi

2024 RoadGravel Manufacturer page

Last known price: $4,600

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 1 × 12 40t / 11–51t
Gear range: 464%
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

XS 156–166
SM 163–174
MD 171–182
LG 179–189
XL 185–195

Components

16 of 17 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

Arcadex PRO Disc Brake Specification: Flat Mount 140/160 Bottom Braket Standard: PressFit 86.5 X Ø41 Rear Axle: thru12 OLD (Over-Locknut-Dimension): 142 mm Front Derailleur:Non Compatible Rear Derailleur: SRAM UDH Hanger type Max Chainring Compatibility: Not identified

Suspension

1 part

Fork
- Bianchi

Drivetrain

6 parts

Bottom bracket
- Shimano SM-BB72-41B
SM-BB72-41B
Cassette
- Shimano SLX CS-M7100-12 12 speeds 11–51t
CS-M7100-12
Chain
- Shimano SLX CN-M7100
CN-M7100
Crankset
- Shimano GRX FC-RX820-1 12 speeds 40t
FC-RX820
Rear derailleur
- Shimano GRX RD-RX822-SGS 12 speeds
RD-RX822-SGSRD-RX822
Shifters
- Shimano GRX
BL-RX820

Brakes

2 parts

Wheels and tires

2 parts

Cockpit and contact points

5 parts

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size SM

Table

Reach 383mm

Stack 563mm

Wheelbase 1034mm

Head angle 70.5°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 700c wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	376	383	391	402	410
Stackmm	544	563	584	610	638
Seat tube lengthmm	410	448	485	515	550
Head tube lengthmm	90	110	130	155	185
Head tube angle	70.5°	70.5°	71°	71.5°	71.5°
Seat tube angle	74.5°	74°	73.5°	73.5°	73°
Chainstay lengthmm	430	430	430	430	—
Wheelbasemm	1020	1034	1044	1059	1077
Front centermm	601	615	625	639	656
Bottom bracket dropmm	75	75	75	75	75
Bottom bracket heightmm	274	274	274	274	274
Fork rakemm	51	52	51	52	—
Trailmm	69	68	66	62	—
Stack/reach ratio	1.45	1.47	1.49	1.52	1.56

Not published by the manufacturer: Top tube length, Standover height, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Fork material: Carbon

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 40
Largest chainring: 40
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 51
Lowest gear: 22.8 in
Highest gear: 105.5 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BB86/BB92
Tire width: 45c
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

22.8 gear inches

This value is below the central range for this class.

Cohort: Road / Gravel Model year: 2024
Sample: 1,716 bicycles with this information
Coverage: 76.6% of the class

Highest gear

105.5 gear inches

This value is below the central range for this class.

Cohort: Road / Gravel Model year: 2024
Sample: 1,716 bicycles with this information
Coverage: 76.6% of the class

Shifting

Mechanical

771 of 2,238 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2024
Sample: 2,238 bicycles with this information
Coverage: 99.9% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 8.7 km/h
Highest gear: 40.4 km/h

Total gear range 464%

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: 22.8–105.5 gear inches
Class reference (p10–p90): 23.2–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2024
Lowest gear: 1716 bicycles with this information, 76.6% of the class
Highest gear: 1716 bicycles with this information, 76.6% 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 2024 builds

Differences across 2024 builds
Specification	This bicycle Bianchi Arcadex PRO /822 disc GRX 820	Bianchi Arcadex Comp disc Apex	Bianchi Arcadex Comp /822 disc GRX 610	Bianchi Arcadex GRX	Bianchi Arcadex GRX 600	Bianchi Arcadex PRO disc Apex GX AXS
Frame
Fork material	Carbon	Carbon	Carbon	Carbon	Carbon	Not informed
Frame material	Not informed	Not informed	Not informed	Carbon	Carbon	Not informed
Suspension
Suspension configuration	Rigid	Rigid	Rigid	Rigid	Rigid	Hardtail
Front travel	Not informed	Not informed	Not informed	Not informed	Not informed	30 mm
Drivetrain
Rear sprockets	12	12	12	12	11	12
Smallest sprocket	11	11	11	Not informed	Not informed	10
Largest sprocket	51	50	51	Not informed	Not informed	52
Lowest gear	22.8 in	23.2 in	22.8 in	Not informed	Not informed	22.3 in
Highest gear	105.5 in	105.5 in	105.5 in	Not informed	Not informed	116.0 in
Brakes
Brake type	Hydraulic disc	Mechanical disc	Hydraulic disc	Hydraulic disc	Hydraulic disc	Hydraulic disc
Cockpit
Derailleur hanger	UDH	UDH	UDH	Not informed	Not informed	UDH
Shifting	Mechanical	Mechanical	Mechanical	Mechanical	Mechanical	Electronic
Other specifications
Suspension	Rigid	Rigid	Rigid	Rigid	Rigid	Hardtail
Tire width	45c	45c	45c	42c	37c	45c
Wheel material	Carbon	Aluminum	Aluminum	Aluminum	Aluminum	Carbon
Fork spring	Not informed	Not informed	Not informed	Not informed	Not informed	Air