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      Key Features
      • 1,010-gram size 54 frame, with derailleur and water bottle mounting hardware
      • Clearance for up to 40c tires on 700c or 2.1” on 650B/27.5”
      • Asymmetric chain stays allow up to 46T 1x or 50/34T 2x gearing
      • Drop seat stays and flattened rear tubing mute road chatter
      • Internal cable routings resist dust and grime
      • Durable threaded bottom bracket adds serviceability
      • Mounts for three water bottles
      • Front rack, rear rack, and fender mounts
      • 142X12mm rear axle spacing

      What the Frame Comes With
      • Frame and Fork
      • Headset installed with same spacers as production. Fork is not cut.
      • Seat Collar
      • Adjusted through axles
      • Derailleur hanger
      • Carbon paste
      • Owners manual for G1 Frameset
    Frame Size520540560580600
    A Stack545565.8582598.2612.5
    B Reach378.9382.8387.6392.1408
    C HT125145160175190
    D Rear Center425
    E Front Center598604609613634
    F Wheelbase10131019102410291049
    G BB drop69
    H ST angle74.5 °74 °73.5 °73 °73 °
    I HT angle71 °71.5 °72 °72.5 °72.5 °
    J TT (effective)530545560575595
    K ST (physical)520540560580600
    L Fork Offset48
    Wheel size700c
    Fork length394
    Fork Offset48
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    Component Detail
    Front Derailleur No Compatability
    Seat Post 31.6mm
    Seat Clamp 36.4mm
    Eye to Eye length 250mm
    Stroke 75mm
    Fork Compatability 203mm
    Max Tire Size 2.5"
    Max Chainring Size 36t
    Shock Mountain Bushing Front 25x8
    Shock Mountain Brushing Rear 30x8


    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.