2020 Viathon

G.1 GRX 800

A carbon frame gravel bike with high-end components and hydraulic disc brakes.
Compare the full range

MSRP$2,998
FrameCarbon
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain1 × 11
GroupsetGRX 800
BrakesHydraulic Disc
Where to Buy
Similar Bikes

For This Bike

Accessories
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
G.1 GRX 800
Other Gravel bikes
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)

33 mph

G.1 GRX 800

36 mph

Similar Bikes

Highest gear

(descending)

Sizing
52cm

5'2" – 5'7"

54cm

5'6" – 5'10"

56cm

5'8" – 6'1"

58cm

6'0" – 6'3"

60cm

6'2" – 6'6"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Velo
Viathon G.1 GRX 800 review

Aug 2020 · Betsy Welch

Call it a ‘Walmart’ bike if you must. But Viathon's G.1 GRX 800 is light, fast, and sporty, and costs much less than its competitors. That's a lot to love.

Read Review

Cycling Tips
Viathon G.1 GRX 600 gravel bike review: Carbon at alloy pricing - CyclingTips

Apr 2020 · Dave Rome

Does spending more get you a faster gravel race bike? That’s exactly what we sought to answer with the high-value Viathon G.1, a carbon gravel bike that’s backed by the biggest of big retailers – Walmart. Walmart’s immense buying power and pre-existing online sales channel means that for just US$2,298 (shipped, within the United States), […]

Highs
  • Price, well-rounded handling, race-ready, weight, all big-name components.

Lows
  • Stiff ride, assembly issues, gear cables, limited warranty, no small sizes.

Read Review

CX Magazine
Review: Viathon G.1 Carbon Gravel Bike

Nov 2019 · Clifford Lee

Wal-Mart's Viathon G.1 gravel bike features a carbon frame and impressive spec list for the price. We put the new bike to the test for gravel and 'cross.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

VIATHON G.1 GRAVEL FRAME

BB StandardBSA, 68mm, Threaded

Fork

VIATHON G.1 GRAVEL FORK

Bottom Bracket

SHIMANO SM-BBR60

Headset

FSA

Stem

ZIPP SERVICE COURSE SL B1 31.8MM, 6°, 110MM

Handlebar

ZIPP SERVICE COURSE SL-70

Saddle

SELLE ITALIA NOVUS BOOST MAG

Seatpost

ZIPP SERVICE COURSE SL C1, 27.2MM, 400MM

TypeRigid

Groupset
Rear Derailleur

SHIMANO GRX 800 RD-RX812, 11-SPEED, SHADOW

Front Derailleur

N/A

Crank

SHIMANO GRX 800 FC-RX810-1, HOLLOWTECH 2, 42T

Shifters

SHIMANO GRX 800 BR-RX810, DISC BRAKE

Cassette

SHIMANO XT CS-M8000, 11-SPEED, 11-42T

Chain

SHIMANO CN-HG701-11, 11-SPEED

Brakes

Hydraulic Disc

TypeHydraulic Disc

Brake Levers

SHIMANO GRX 800 BR-RX810, DISC BRAKE

Wheels
Rims

MERCURY G1C DISC, CENTER LOCK, SHIMANO 11-SPEED

Tires

IRC BOKEN, 700 X 40, FOLDING

Disc Rotors

SHIMANO SM-RT800, 160MM, W/LOCK RING

Rider Notes
Riders Also Viewed

Last updated November 28
Not listed for 1,008 days