Giant Fathom 29 1

Overview

Crank up steep climbs with smooth-rolling efficiency. Swoop down singletrack descents with stability and speed. This aluminum hardtail 29er features progressive trail geometry, a plush suspension fork, and dropper seatpost for the confidence you need to up your singletrack game.Built on an ALUXX SL aluminum frame, the Fathom 29 features updated geometry that produces a stable ride quality for challenging XC trails. The frame is optimized for a 130mm suspension fork for smooth control on the descents. An updated 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.Trail Tuned DesignBalanced geometry with a 75-degree seat tube angle puts the rider in a powerful pedaling position on the climbs, while a slacker 66-degree head angle boosts confidence and control on technical descents.Responsive HandlingLightweight ALUXX SL aluminum hardtail frame offers agile acceleration and maneuverability to help riders climb, corner, and hammer the flats with efficiency and speed.Smooth ControlGiant 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.

Tech Specs

Bottom Bracket

SRAM DUB, press fit

Brake Levers

Shimano MT401, *note: early production bikes may be substituted with Shimano MT201

Brakes

Shimano MT420 hydraulic 4-piston, 180mm, *note: early production bikes may be substituted with Shimano MT200 hydraulic, 180mm

Cassette/Freewheel

SRAM SX Eagle, 12-speed, 11×50

Chain

SRAM SX Eagle

Crankset

SRAM SX Eagle, DUB, 30t

Fork

Giant Crest 34 RCL, 130mm, Boost 15×110, *note: early production bikes may be substituted with RockShox 35 Silver TK, 130mm, Boost 15×110

Frame

ALUXX SL-Grade Aluminum

Handlebars

Giant Contact Trail, 35

Hubs

Giant Performance Tracker, [F] Boost 15x110mm [R] Boost 12x148mm

Pedals

Sold separately

Rear Derailleur

SRAM NX Eagle

Rims

Giant AM 29 wheelset, alloy, 30mm inner

Saddle

Giant Romero

Seatpost

Giant Contact Switch dropper post with remote, 30.9

Shifters

SRAM SX Eagle

Spokes

Sapim

Stem

Giant Contact SL 35

Tires

Front: Maxxis DHF, 29 x 2.5″ WT, EXO/TR Rear: Maxxis Aggressor, 29 x 2.5″ WT, foldable, EXO/TR

Specifications

Bottom Bracket SRAM DUB, press fitBrake Levers Shimano MT401, *note; early production bikes may be substituted with Shimano MT201Brakes Shimano MT420 hydraulic 4-piston, 180mm, *note; early production bikes may be substituted with Shimano MT200 hydraulic, 180mmCassette/Freewheel SRAM SX Eagle, 12-speed, 11x50Chain SRAM SX EagleCrankset SRAM SX Eagle, DUB, 30tFork Giant Crest 34 RCL, 130mm, Boost 15×110, *note; early production bikes may be substituted with RockShox 35 Silver TK, 130mm, Boost 15x110Frame ALUXX SL-Grade AluminumHandlebars Giant Contact Trail, 35Hubs Giant Performance Tracker, [F] Boost 15x110mm [R] Boost 12x148mmPedals Sold separatelyRear Derailleur SRAM NX EagleRims Giant AM 29 wheelset, alloy, 30mm innerSaddle Giant RomeroSeatpost Giant Contact Switch dropper post with remote, 30.9Shifters SRAM SX EagleSpokes SapimStem Giant Contact SL 35Tires Front; Maxxis DHF, 29 x 2.5″ WT, EXO/TR,Rear; Maxxis Aggressor, 29 x 2.5″ WT, foldable, EXO/TR