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Fathom 29 (GE)

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Crank up steep climbs with smooth-rolling efficiency and swoop down singletrack descents with stability and speed. This aluminum hardtail 29er delivers a balanced ride quality on XC terrain.

Built on an ALUXX SL aluminum frame, Fathom 29 features updated geometry that produces a stable ride quality for challenging XC trails. The frame is optimized for a 100mm suspension fork giving you efficiency on the climbs and total control on the descents.

Key Performance Factors

Proven alloy performance

ALUXX SL aluminum frameset is hand-built in-house by the world leader in aluminum engineering.

Balance and stability

Frame geometry is designed to optimize the balance and roll-over capabilities of 29-inch wheels.

XC control

Suspension fork offers 100mm of smooth travel for added XC control.

Specs
  • Sizes
    S, M, L, XL
  • Colors
    Silver, Pure Red
  • Frame
    ALUXX SL-Grade Aluminum
  • Fork
    Fox 32 Rhythm, 100mm, GRIP damper, two-position GRIP Remote, tapered, 15x110 QR
  • Shock
    N/A
  • Handlebar
    Giant Connect Trail, 780x31.8
  • Stem
    Giant Contact
  • Seatpost
    Giant Connect, 30.9
  • Saddle
    Giant custom
  • Pedals
    N/A
  • Shifters
    Shimano Deore XT
  • Front Derailleur
    N/A
  • Rear Derailleur
    Shimano Deore XT
  • Brakes
    Shimano SLX
  • Brake Levers
    Shimano SLX
  • Cassette
    Shimano SLX, 10x51
  • Chain
    Shimano SLX
  • Crankset
    Shimano Deore XT, 32t
  • Bottom Bracket
    Shimano, press fit
  • Rims
    Giant XCT 29” tubeless ready sleeve-joint rim, 25mm inner width
  • Hubs
    [F]Shimano Boost 15x110, sealed bearing [R] Shimano Boost 12x142, sealed bearing
  • Spokes
    Sapim
  • Tires
    Maxxis Forekaster 29x2.35, folding, TR, tubeless
  • Extras
    Tubeless prepared
  • 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

Built on an ALUXX SL aluminum frame, Fathom 29 features updated geometry that produces a stable ride quality for challenging XC trails. The frame is optimized for a 100mm suspension fork giving you efficiency on the climbs and total control on the descents. And a Giant WheelSystem comes with tubeless tires already set up, making it easy to experience added efficiency and control, plus a reduced risk of flats on technical terrain.

2020 Fathom 29 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.
  • S
      163 cm5’4”  to 172 cm5’8”
  • M
      171 cm5’7”  to 180 cm5’11”
  • L
      179 cm5’10”  to 188 cm6’2”
  • XL
      187 cm6’2”  to 198 cm6’6”
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.
  SMLXL
ASeat Tube Length (mm) (inch)39015,444517,548018,953020,9
BSeat Tube Angle (degrees)73,5°73,5°73,5°73,5°
CTop Tube Length (mm) (inch)5852360523,862524,664525,4
DHead Tube Length (mm) (inch)953,71003,91154,51305,1
EHead Tube Angle (degrees)69,0°69,0°69,0°69,0°
FFork Rake (mm) (inch)421,7421,7421,7421,7
GTrail (mm) (inch)100,53,9100,53,9100,53,9100,53,9
HWheelbase (mm) (inch)110043,3112144,1114245116345,8
IChain Stay Length (mm) (inch)44217,444217,444217,444217,4
JBottom Bracket Drop (mm) (inch)552,2552,2552,2552,2
KStack (mm) (inch)60323,760823,962224,563625
LReach (mm) (inch)4061642516,744117,445718
MStand Over Height (mm) (inch)70027,673929,175129,678230,8
NHandlebar Width (mm) (inch)78030,778030,778030,778030,7
OStem Length (mm) (inch)602,4702,8803,1903,5
PCrank Length (mm) (inch)1706,71756,91756,91756,9
QWheel Size 29"29"29"29"

Techs & Features

ALUXX SL Aluminum Technology
OverDrive
Tubeless System

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All specifications listed are subject to change without notice.