Viathon M.1 GX Eagle

Name: Viathon M.1 GX Eagle
Brand: Viathon

2020 MountainTrail Manufacturer page

Last known price: $2,198

Prices shown first for United States
Fork travel: 120 mm
Wheels: 29″
Drivetrain: 1 × 12 32t / 10–50t
Gear range: 500%
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–170
MD 168–177
LG 175–185

Components

17 of 18 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

VIATHON M.1 MOUNTAIN 29" CARBON FRAME Not identified

Suspension

1 part

Fork
- RockShox SID Select

Drivetrain

6 parts

Brakes

2 parts

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Sizes and geometry

3 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 417mm

Stack 621mm

Wheelbase 1119mm

Head angle 69.5°

Seat angle 73.6°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 3 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	391	417	439.5
Stackmm	621	621	630
Top tube lengthmm	574	600	625
Seat tube lengthmm	406	432	476
Head tube lengthmm	90	90	100
Head tube angle	69.5°	69.5°	69.5°
Seat tube angle	73.6°	73.6°	73.6°
Chainstay lengthmm	440	440	440
Wheelbasemm	1093	1119	1145
Front centermm	659	685	711
Bottom bracket dropmm	56	56	56
Bottom bracket heightmm	318	318	318
Fork rakemm	51	51	51
Trailmm	86.1	86.1	86.1
Stack/reach ratio	1.59	1.49	1.43

Not published by the manufacturer: 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
Frame material: Carbon

Suspension

Suspension configuration: Hardtail
Front travel: 120 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 50
Lowest gear: 18.6 in
Highest gear: 92.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire width: 2.3″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

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

Front travel

120 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,348 bicycles with this information
Coverage: 93.8% of the class

Lowest gear

18.6 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,217 bicycles with this information
Coverage: 84.6% of the class

Highest gear

92.8 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,217 bicycles with this information
Coverage: 84.6% of the class

Shifting

Mechanical

55 of 1,437 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2020
Sample: 1,437 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.1 km/h
Highest gear: 35.5 km/h

Total gear range 500%

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: 18.6–92.8 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2020
Lowest gear: 1217 bicycles with this information, 84.6% of the class
Highest gear: 1217 bicycles with this information, 84.6% 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 2020 builds

Differences across 2020 builds
Specification	This bicycle Viathon M.1 GX Eagle	Viathon M.1 Outlet GX Eagle	Viathon M.1 X01 Eagle	Viathon M.1 XX1 Eagle	Viathon M.1 XX1 Eagle AXS
Drivetrain
Smallest chainring	32	32	32	34	34
Largest chainring	32	32	32	34	34
Lowest gear	18.6 in	18.6 in	18.6 in	19.7 in	19.7 in
Highest gear	92.8 in	92.8 in	92.8 in	98.6 in	98.6 in
Cockpit
Seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost
Shifting	Mechanical	Mechanical	Mechanical	Mechanical	Electronic
Other specifications
Wheel material	Aluminum	Aluminum	Aluminum	Carbon	Carbon
Fork spring	Not informed	Air	Not informed	Not informed	Not informed