Giant Fathom 29er Mountain Bike 2021-Black/Blue Ashes
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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.
KEY PERFORMANCE FACTORS
Trail Tuned Design
Balanced geometry with a 75-degree seattube 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.
Lightweight ALUXX SL aluminum hardtail frame offers agile acceleration and maneuverability to help riders climb, corner and hammer the flats with efficiency and speed.
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.
Frame: ALUXX SL-Grade Aluminum
Fork: Giant Crest 34 RCL, 130mm, Boost 15×110
Handlebar: Giant Contact Trail, 35
Stem: Giant Contact TR 35
Seatpost: Giant Contact Switch dropper post with remote, 30.9
Saddle: Giant Romero
Shifters: Shimano Deore
Front Derailleur: N/A
Rear Derailleur: Shimano Deore, Shadow+
Brakes: Tektro TKD143 [F&R] 2-Piston, 180mm Rotors [F&R]
Brake: LeversTektro TKD143
Cassette: Shimano Deore, 12-speed, 10×51
Crankset: Praxis Cadet Boost, 30t
Bottom Bracket: Praxis, press fit
Rims: Giant AM 29 wheelset, alloy, 30mm inner
Hubs: Shimano Boost [F] 15×110 [R] 12×148, sealed bearing
Tires: [F] Maxxis DHF, tubeless, 29×2.5, WT, foldable, EXO, TR [R] Maxxis Aggressor, tubeless, 29×2.5, WT, foldable, EXO, TR
Extras: Tubeless prepared