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Fathom 29 1

2020

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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.

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SizesS, M, L, XL
ColorsMetallic Navy
FrameALUXX SL-Grade Aluminum
ForkRock Shock Recon RL 100mm, Solo Air, 15x110 Maxle Lite
ShockN/A
HandlebarGiant Connect Trail, 780x31.8, [GA 690]
StemGiant Contact
SeatpostGiant Contact Switch dropper post with remote, 30.9
SaddleGiant Contact (neutral)
PedalsN/A
ShiftersSRAM SX Eagle
Front DerailleurN/A
Rear DerailleurSRAM NX Eagle
BrakesShimano MT400
Brake LeversShimano MT401
CassetteSRAM SX Eagle, 11x50
ChainSRAM SX Eagle
CranksetTruVativ Descendent 6k DUB, 30t
Bottom BracketSRAM DUB, press fit
RimsGiant XCT 29” tubeless ready sleeve-joint rim, 25mm inner width
Hubs[F] Giant Tracker Performance Boost 15x110, sealed bearing [R] Giant Tracker Giant Sport Boost QR 141, loose ball
SpokesSapim
Tires[F] Maxxis Forekaster 2, , EXO/TR[R]Maxxis 29x2.35 Rekon Race, foldable, , EXO/T
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 our bikes are designed for best-in-class weight and ride quality.

All specifications and prices 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.

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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.

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
  SMLXL
Seat Tube Length (mm) (inch)39015,444517,548018,953020,9
Seat Tube Angle (degrees)73,5°73,5°73,5°73,5°
Top Tube Length (mm) (inch)5852360523,862524,664525,4
Head Tube Length (mm) (inch)953,71003,91154,51305,1
Head Tube Angle (degrees)69,0°69,0°69,0°69,0°
Fork Rake (mm) (inch)421,7421,7421,7421,7
Trail (mm) (inch)100,53,9100,53,9100,53,9100,53,9
Wheelbase (mm) (inch)110043,3112144,1114245116345,8
Chain Stay Length (mm) (inch)44217,444217,444217,444217,4
Bottom Bracket Drop (mm) (inch)552,2552,2552,2552,2
Stack (mm) (inch)60323,760823,962224,563625
Reach (mm) (inch)4061642516,744117,445718
Stand Over Height (mm) (inch)70027,673929,175129,678230,8
Handlebar Width (mm) (inch)78030,778030,778030,778030,7
Stem Length (mm) (inch)602,4702,8803,1903,5
Crank Length (mm) (inch)1706,71756,91756,91756,9
Wheel Size 29"29"29"29"

Technologies

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All specifications and prices listed are subject to change without notice.