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RRP 6 040.00

What is my size?


Navigate urban streets, cruise the bike path, or explore forest trails. Part mountain bike, with its flat handlebar and plush suspension bike, and part city bike, ATX is at home in any environment.

Closely related to Giant off-road bikes, ATX features the familiar flat-handlebar and 100mm suspension fork of a traditional XC mountain bike. A lightweight ALUXX aluminum frame, engineered with comfortable geometry for challenging terrain, adds to its rugged personality. It also uses size-specific wheel diameters—smaller size bikes use 26-inch wheels, while larger sizes use 27.5. This tailors the bike’s handling to every rider’s size and height. Powerful disc brake technology gives you confident handling in all weather or riding conditions, and integrated mounts let you easily add racks or fenders to suit your riding adventures.

Key Performance Factors

All-terrain versatility

With a mountain bike style flat handlebar, suspension fork and disc brakes, you can ride road or dirt with confidence.

Lightweight and durable

Frameset constructed with high-quality ALUXX aluminum.

Comfort and stability

Frame geometry puts the rider in a position that balances efficiency with stability on rough roads, paths or trails.

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SizesS, M, L, XL
ColorsCharcoal / White / Pure Red, Neon Orange / Black / Charcoal, Flash Green / Black / White
FrameALUXX-Grade Aluminum
ForkSR Suntour XCT 26/27.5, 100mm travel
HandlebarGiant Sport XC, 31.8, alloy
StemGiant Sport alloy, 10-degree
SeatpostGiant Sport, 30.9x350mm
SaddleGiant Connect (upright)
ShiftersShimano EF41, 3x7
Front DerailleurShimano Tourney
Rear DerailleurShimano Tourney
Brake LeversShimano EF41
CassetteShimano MF-TZ500, 14x34
ChainKMC Z51
CranksetProWheel forged, 24/34/42
Bottom Bracketcartridge
RimsGiant GX28 disc wheelset
TiresGiant Quickcross 27.5x2.1/26x2.1
WeightThe 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 Giant bikes are designed for best-in-class weight and ride quality.

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.

XXS (26")   152 cm5’0” 157 cm5’2”
XS (26")   157 cm5’2” 162 cm5’4”
S (26")   162 cm5’4” 170 cm5’7”
S (27.5")   162 cm5’4” 170 cm5’7”
M (27.5")   170 cm5’7” 175 cm5’9”
L (27.5")   175 cm5’9” 185 cm6’1”
XL (27.5")   185 cm6’1” 193 cm6’4”
  XXS (26")XS (26")S (26")S (27.5")M (27.5")L (27.5")XL (27.5")
BSeat Tube Angle (degrees)73,5°73,5°73,5°73,5°73,0°73,0°73,0°
CTop Tube Length (mm) (inch)55521,956522,257522,657522,659023,26102463024,8
DHead Tube Length (mm) (inch)953,71054,11204,7953,71104,31455,71706,7
EHead Tube Angle (degrees)68,0°68,0°68,0°68,0°68,0°68,0°68,0°
HWheelbase (mm) (inch)106541,9107642,4108742,8108042,5109143111443,9113644,7
IChain Stay Length (mm) (inch)42016,542016,542016,543517,143517,143517,143517,1
KStack (mm) (inch)55621,956522,257922,858122,959523,462824,765125,6
LReach (mm) (inch)39015,439815,740315,940315,940816,141816,543117
MStand Over Height (mm) (inch)68827,17102872328,572128,474729,478931,181432
PCrank Length (mm) (inch)1606,31656,51706,71706,71706,71756,91756,9


All specifications listed are subject to change without notice.