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ARX 20

2020

€349

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What is my size?

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Why should lightweight performance be limited to adult bikes? This sleek little aluminium flyer is the lightest in its category, and it’s designed with stable geometry that makes it easy for young riders to get going.

Most youth bikes are constructed with heavier frames and materials, but we designed the ARX to be lighter, quicker, and more fun for young riders. The fact is, smaller riders can benefit even more from a lighter bike. With its ALUXX aluminium frame and fork, ARX is the lightest bike in its category—which makes it more fun to ride. The frame features a lower centre of gravity for added stability. It comes in three different wheel size choices for different heights, and has versatile tyres that can handle rough roads, paths and even some dirt. The frame is fitted with lightweight components that are sized specifically for young riders, including cranksets and cockpit components for various wheel options (16, 20, and 24).

Key Performance Factors

Lightweight

High-quality ALUXX aluminium construction delivers exceptional frame performance with lightest weight in its category.

Youth-specific features

Lightweight components for enhanced control and safe, ergonomic positioning and fit.

Versatility

Comes with tyres that can be ridden on roads, gravel or dirt.

Specs
  • Sizes
    one size
  • Colours
    Pure Red / Black, Orange / Black, Lemon Yellow / Black, Blue / Black, Neon Green / Black, Purple/Black
  • Frame
    ALUXX-Grade Aluminum
  • Fork
    ALUXX-Grade Aluminum
  • Shock
    N/A
  • Handlebar
    Giant Youth, 500mm width
  • Stem
    Alloy ahead
  • Seatpost
    Giant Sport, 27.2
  • Saddle
    Giant Grow Technology
  • Pedals
    Platform
  • Shifters
    Shimano Altus SL-M315 1X8
  • Front Derailleur
    N/A
  • Rear Derailleur
    Shimano Altus
  • Brakes
    Linear pull
  • Brake Levers
    Alloy, junior MTB
  • Cassette
    Shimano HG200, 12x32
  • Chain
    KMC Z8
  • Crankset
    Alloy, forged, three-piece, 32t, 127mm
  • Bottom Bracket
    Sealed cartridge
  • Rims
    Giant Kids 20", alloy
  • Hubs
    Alloy, Front QR, Rear nutted
  • Spokes
    Stainless steel
  • Tyres
    Innova IB-3010, 20x1.5"
  • Weight
    The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All our bikes are designed for best-in-class weight and ride quality.

All specifications listed are subject to change without notice.

Highlights

Most youth bikes are constructed with heavier frames and materials, but we designed the all-new ARX to be lighter, quicker, and more fun for young riders. Fact is, smaller riders can benefit even more from a lighter bike. With its ALUXX aluminum frame and fork, ARX is the lightest bike in its category—which makes it more fun to ride. The frame features a lower bottom bracket for a lower center of gravity and added stability. It comes in three different wheel size choices for different heights, and has versatile tires that can handle rough roads, paths and even some dirt. The frame is fitted with lightweight components that are sized specifically for young riders, including cranksets and cockpit components for a perfect fit.

2020 ARX 16/20 with interactive tooltips

Sizing Guide and Geometry

Sizing to be used as a reference only. Please check with a local authorized Liv or Giant dealer to determine the correct size.
Available sizes may vary from country to country.

Selection of a button will change the units measurement displayed throughout the entire sizing guide section.
  • One Size
      120 cm3’11”  to 140 cm4’7”
bike diagram with measurements referenced in table that follows
Selection of a button will change the units measurement displayed throughout the entire sizing guide section.
  One Size
BSeat Tube Angle (degrees)72.0°
CTop Tube Length (mm) (inch)45017.7
DHead Tube Length (mm) (inch)1204.7
EHead Tube Angle (degrees)69.0°
HWheelbase (mm) (inch)88634.9
IChain Stay Length (mm) (inch)37514.8
KStack (mm) (inch)40315.9
LReach (mm) (inch)31912.6
MStand Over Height (mm) (inch)50920
PCrank Length (mm) (inch)1275

Technologies & Features

ALUXX Aluminum Technology

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All specifications listed are subject to change without notice.