Bike Comparison
    MSRP
    $3,300$1,699
    Where to Buy
    $1

    At

    $1

    At

    Category
    GravelGravel
    Weight
    23.3 lbs
    6.2
    4.4
    CarbonAluminum
    Fork
    CarbonCarbon
    Wheels
    AluminumAluminum
    Wheel Size
    700c650b / 700c
    Clearance
    50c
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    UltegraGRX 800, GRX 600
    Drivetrain
    2 × 111 × 11
    Brand Site

    viathonbicycles.com

    canyon.com

    Summary
    The Viathon G.1 Ultegra is a carbon frame gravel bike with high-end components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    2020 G.1 Ultegra
    2023 Grizl 7 1by
    Other Gravel bikes
    Gear Range

    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)

    36 mph

    2020 G.1 Ultegra

    31 mph

    2023 Grizl 7 1by

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    VIATHON G.1 GRAVEL CARBON FRAME

    BB StandardBSA, 68mm, Threaded

    Canyon Grizl AL, Aluminium frame with Gravel Pro geometry and extended wheelbase for extra off-road stability., Axle dimension: 12x142 mm, Tyre Clearance: 50 mm, Material: Aluminium (AL)

    BB StandardBSA, 68mm, Threaded

    Fork

    VIATHON G.1 GRAVEL CARBON FORK

    Canyon FK0087 CF Disc, Light, robust carbon frame with 3-screw mounting points on each side for attaching bottle cages and Anything Cages., Axle dimension: 12x100 mm, Fork steer tube diameter: 1 1/4", Tyre Clearance: 54 mm, Material: Carbon (CF)

    Bottom Bracket

    SHIMANO SM-BBR60

    Token Ninja Lite BB4124, Bottom bracket standard: PF 86,5, Weight: 0.19 lbs

    Headset

    FSA

    Stem

    ZIPP SERVICE COURSE SL 110MM

    Canyon V13, High-quality aluminium stem with square cross-sectional profile. A new handlebar clamp design increases torsional stiffness by up to 40%. Handlebar clamp diameter: 31.8 mm. Head tube diameter: 1 1/4"., Fork steer tube diameter: 1 1/4", Clamping diameter: 31,8 mm

    Handlebar

    ZIPP SERVICE COURSE SL-70

    Canyon HB 0050 Ergobar AL, Material: Aluminium, Shape: Ergo, Reach: 70 mm, Drop: 130 mm, Clamping diameter: 31,8 mm, Width: 420 mm

    Saddle

    FIZIK ALIANTE R3 138MM K:ium

    Selle Italia Model X, Gender: Unisex, Weight: 0.69 lbs

    Seatpost

    ZIPP SERVICE COURSE SL 0 OFFSET

    Canyon SP0057 VCLS, With vibration-absorbing design for top rear-end comfort., Setback: 20 mm, Clamp diameter: 27,2 mm, Material: Carbon (CF), Weight: 0.58 lbs

    Pedals

    None included

    Groupset
    Rear Derailleur

    SHIMANO ULTEGRA RD-R8000-GS

    Shimano GRX RX812 GS, Cage length: long, Weight: 0.55 lbs

    Front Derailleur

    SHIMANO ULTEGRA FD-R8000

    Crank

    SHIMANO ULTEGRA FC-R8000 46-36T

    Shimano GRX RX600 40T, On certain models, this crankset may be substituted for an alternate, equivalent FSA crankset., Potentially affected models include:, Grizl 6 (Model #2844), Grizl 7 1X (Model #3236), Grizl 7 Suspension (Model #2710), Grizl CF SL 6 (Model #3243), Grizl CF SL 7 (Model #3244), Grizl CF SL 7 1X (Model #2849), Inflight CF SL 6 (Model #3020), Grail 6 (Model #3092), Grail 7 (Model #3093), Grail CF SL 7 (Model #3095)

    Shifters

    SHIMANO ULTEGRA ST-R8020

    Shimano GRX RX600, Weight: 1.19 lbs | Shimano GRX RX600 11s, Weight: 1.19 lbs

    Cassette

    SHIMANO ULTEGRA CS-R8000 11-32T

    Shimano SLX M7000 11-42 11s, Number of sprockets: 11

    Chain

    SHIMANO CN-HG701-11

    Shimano CN-HG601 11s

    Brakes

    Hydraulic Disc

    Hydraulic Disc

    Brake Levers

    SHIMANO ULTEGRA ST-R8020

    Shimano GRX RX600, Weight: 1.19 lbs | Shimano GRX RX600 11s, Weight: 1.19 lbs

    Wheels
    Rims

    HED ARDENNES LT DISC, CENTER LOCK, SHIMANO 11-SPEED

    DT Swiss Gravel LN, Axle dimension: 12x100 mm, Rotor mount: Center Lock, Rim height: 25 mm, Weight: 2.09 lbs | DT Swiss Gravel LN, Axle dimension: 12x142 mm, Rotor mount: Center Lock, Rim height: 25 mm, Weight: 2.42 lbs

    Tires

    CONTINENTAL CYCLOXKING 35MM FOLDING

    Schwalbe G-One Bite 45mm, Width: 45mm, Weight: 1.19 lbs

    Disc Rotors

    SHIMANO SM-RT800 160MM

    Shimano RT70, Size: 160 mm, Weight: 0.43 lbs

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