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      Key Features
      • 1,035-gram size M frame, with derailleur and water bottle mounting hardware
      • 29-inch wheels offer speed, with clearance for up to 2.4” tires
      • Confident handling thanks to a 120mm RockShox Reba RL fork, and well-rounded geometry

      Additional Features
      • GX1 Eagle offers top-shelf range and performance without the sticker shock
      • Rubberized slap guards on chain stay and down tube for added protection
      • Mounts for three water bottles
      • Comfortable ride courtesy of Fizik saddle and Ergon grips
      • Stan’s wheels are the bar for lightweight tubeless setups
      • Threaded bottom bracket adds both durability and serviceability
    SPEC DETAIL
    FRAMEVIATHON M.1 MOUNTAIN 29" CARBON FRAME
    FORKROCKSHOX REBA RL 29" 120MM
    HEADSETFSA
    REAR DERAILLEURSRAM GX EAGLE
    SHIFT LEVERSRAM GX EAGLE TRIGGER SHIFTER
    BRAKESSRAM LEVEL TL
    BRAKE ROTORSRAM CENTERLINE 6-BOLT 160MM
    BOTTOM BRACKETSRAM DUB BSA 73MM
    CRANKSETSRAM GX EAGLE DUB 32T
    CASSETTESRAM XG-1275 EAGLE 10-50T
    CHAINSRAM GX EAGLE 12-SPEED
    SPEC DETAIL
    REAR AXLESHIMANO E-THRU AXLE 148X12MM
    WHEEL SETSTAN'S NO TUBES ARCH S1 TEAM 29 6-BOLT DISC
    TIRESCONTINENTAL X-KING 29 X 2.3 FRONT / 2.2 REAR FOLDING BLACK CHILI
    INNER TUBESKENDA
    HANDLE BARFSA AFTERBURNER 740MM
    GRIPSERGON GA20
    STEMFSA AFTERBURNER 70 MM
    SEAT POSTFSA AFTERBURNER 400MM 0 OFFSET
    SADDLEFIZIK TUNDRA M5 126MM S-Alloy
    SPEC DETAIL
    FRAMEVIATHON M.1 MOUNTAIN FRAME
    FORKROCKSHOX REBA RL, 120MM TRAVEL, 51MM OFFSET
    HEADSETFSA
    REAR DERAILLEURSRAM GX EAGLE
    SHIFT LEVERSRAM GX EAGLE TRIGGER SHIFTER
    BRAKESSRAM LEVEL TL
    BRAKE ROTORSRAM CENTERLINE, 6-BOLT, 160MM ROUNDED
    BOTTOM BRACKETSRAM DUB BSA MTB73
    CRANKSETSRAM GX EAGLE DUB, 32T
    CASSETTESRAM XG-1275 EAGLE, 10-50T
    CHAINSRAM GX EAGLE, 12-SPEED
    REAR AXLESHIMANO E-THRU AXLE, 148X12MM
    WHEEL SETSTAN'S NO TUBES ARCH S1 TEAM 29, 6-BOLT DISC, XD
    TIRESCONTINENTAL X-KING, 29 X 2.3 FRONT, 29 X 2.2 REAR, FOLDING, PROTECTION + BLACK CHILI
    INNER TUBESKENDA 29 X 2.2/2.4
    HANDLE BARFSA AFTERBURNER, 740MM, 0MM, 31.8MM
    GRIPSERGON GA20 BLACK, ROUND
    STEMFSA AFTERBURNER, 31.8MM, ±6°
    SEAT POSTFSA AFTERBURNER, 30.9MM, 400MM, 0 OFFSET
    SADDLEFIZIK TUNDRA M5

    We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.

    Show: |
    Frame SizeSmallMedLarge
    A Stack62.162.163
    B Reach39.141.743.95
    C HT9910
    D Rear Center44
    E Front Center65.968.571.1
    F Wheelbase109.3111.9114.5
    G BB drop5.6
    H ST angle73.6°
    I HT angle69.5°
    J TT (effective)57.46062.5
    K ST (effective)64.764.765.7
    ST (physical)40.643.247.6
    Wheel size29”
    Fork length53.1
    Fork Offset5.1
    Trail8.618.618.61

    LIMITED WARRANTY

    Two (2) years from the date of purchase for the original owner.

    To ensure a long service life and good durability of your bike, only use it for its intended purpose, see Intended Use warning in your owner’s manual, and or on our website in the product information page. The manufacturer’s assembly instructions (especially the torque settings for bolts) and the prescribed maintenance intervals must be strictly followed as well.

    This Warranty does NOT cover:

    • Normal wear and tear
    • Improper assembly
    • Improper follow-up maintenance
    • Installation of components, parts, or accessories not originally intended for or compatible with the bicycle as sold
    • Damage or failure due to accident, misuse, abuse, or neglect
    • Labor charges for part replacement or changeover
    • Bikes used for commercial activities, including those in rental, demo, or security fleets

    Crash Replacement:

    In the event of an accident or severe crash we offer the original purchaser the opportunity to replace their damaged Viathon frame at a greatly reduced cost.

    To make a claim:

    Contact Viathon at Support@viathonbicycles.com to initiate a warranty claim. Proof of purchase is required.

    Further limitations on the limited warranty

    For further limitations and more information on our limited warranty, please visit out site here.