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P3258

Giant Bikes FATHOM 29 1

CRANK UP STEEP CLIMBS WITH SMOOTH EFFICIENCY. SWOOP DOWN SINGLETRACK DESCENTS WITH SPEED AND CONFIDENCE. THIS HARDTAIL 29ER DELIVERS A BALANCED RIDE ON XC TERRAIN.

KEY PERFORMANCE FACTORS

Trail tuned design

Balanced geometry with a 75-degree seattube angle puts the rider in a powerful pedaling position on climbs, while a slacker 66-degree head angle boosts confidence and control on technical descents.

Responsive handling

Lightweight ALUXX SL aluminum hardtail frame offers agile acceleration and maneuverability to help riders climb, corner and hammer the flats with efficiency and speed.

Smooth control

Giant Crest 34 suspension fork with 130mm of travel absorbs roots, rocks and ruts. Grippy, high-volume tires boost traction on rugged terrain. And a dropper seatpost with handlebar remote lets you adjust saddle height on the fly for confident positioning on changing terrain.

TECHS & FEATURES

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.
  • S
      5’4” to 5’8”
  • M
      5’7” to 5’11”
  • L
      5’10” to 6’2”
  • XL
      6’2” to 6’6”
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.
    S M L XL
A SEAT TUBE LENGTH (inch) 15 16.9 18.3 19.5
B SEAT TUBE ANGLE 75.0° 75.0° 75.0° 75.0°
C TOP TUBE LENGTH (inch) 23.3 24.1 25.2 26.1
D HEAD TUBE LENGTH (inch) 3.7 3.7 4.1 4.5
E HEAD TUBE ANGLE 66.0° 66.0° 66.0° 66.0°
F FORK RAKE (inch) 1.7 1.7 1.7 1.7
G TRAIL (inch) 4.8 4.8 4.8 4.8
H WHEELBASE (inch) 45.4 46.2 47.4 48.3
I CHAIN STAY LENGTH (inch) 17.1 17.1 17.1 17.1
J BOTTOM BRACKET DROP (inch) 2.4 2.4 2.4 2.4
K STACK (inch) 24.5 24.5 24.8 25.2
L REACH (inch) 16.7 17.5 18.5 19.3
M STAND OVER HEIGHT (inch) 28.7 29.3 30.1 31.1
N HANDLEBAR WIDTH (inch) 30.7 30.7 30.7 30.7
O STEM LENGTH (inch) 1.6 1.6 2 2
P CRANK LENGTH (inch) 6.5 6.7 6.7 6.7
Q WHEEL SIZE 29" 29" 29" 29"
Specs
  • Sizes
    S, M, L, XL
  • Colors
    Amber Glow, Metallic Black
  • Frame
    ALUXX SL-Grade Aluminum
  • Fork
    Giant Crest 34 SL RCL, 130mm, 44mm offset, Boost 15x110
  • Shock
    N/A
  • Handlebar
    Giant Contact TR35, 780x35mm
  • Grips
    Giant Sole-O
  • Stem
    Giant Contact SL 35 S:40mm, M:40mm, L:50mm, XL:50mm
  • Seatpost
    Giant Contact Switch dropper, remote S: 125mm travel / 30.9 x 395mm M: 125mm travel / 30.9 x 395mm L: 150mm travel / 30.9 x 440mm XL: 170mm travel / 30.9 x 450mm
  • Saddle
    Giant Romero
  • Pedals
    N/A
  • Shifters
    SRAM SX Eagle, 1x12
  • Front Derailleur
    N/A
  • Rear Derailleur
    SRAM NX Eagle
  • Brakes
    Shimano BR-MT420/410, hydraulic, Shimano RT-26 rotors [F]180mm, [R]180mm
  • Brake Levers
    Shimano BR-MT401
  • Cassette
    SRAM SX Eagle, 11x50
  • Chain
    SRAM SX Eagle
  • Crankset
    SRAM SX Eagle, 30t S:165mm, M:170mm, L:170mm, XL:170mm
  • Bottom Bracket
    SRAM DUB, press fit
  • Rims
    Giant AM 29, tubeless ready sleeve-joint rim, 30mm inner width
  • Hubs
    alloy, sealed
  • Spokes
    stainless
  • Tires
    [F] Maxxis Minion DHF, 29x2.5 WT, EXO/TR[R] Maxxis Aggressor, 29x2.5 WT, foldable, EXO/T
  • Extras
    tubeless prepared, 2.5" max tire size, 32t max chainring size
  • 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.
Size
Color
Metallic Black
Amber Glow

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