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Giant Fathom 1

Giant Fathom 1
$2,199.00
Color: Black
Size: Select size
Please select options Unavailable
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Details

Get Your Daily Dose Of Singletrack.

With a lightweight frame, 130mm suspension fork, and 27.5" wheels with high-volume tires, this hardtail offers loads of traction, speed, and fun on the trail.

Key Performance Factors:

- Trail-tuned design
Balanced geometry with a 75-degree seat tube 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
The 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. A dropper seatpost with a handlebar remote lets you adjust saddle height on the fly for confident positioning on changing terrain.

Sizes:
FRAME SIZESmallMediumLarge
A - SEAT TUBE LENGTH (mm) 380 430 465
B - SEAT TUBE ANGLE 75.0° 75.0° 75.0°
C - TOP TUBE LENGTH (mm) 592 612 639
D - HEAD TUBE LENGTH (mm) 95 95 105
E - HEAD TUBE ANGLE 66.0° 66.0° 66.0°
F - FORK RAKE (mm) 44 44 44
G - TRAIL (mm) 113 113 113
H - WHEELBASE (mm) 1154 1174 1203
I - CHAIN STAY LENGTH (mm) 435 435 435
J - BOTTOM BRACKET DROP (mm) 60 60 60
K - STACK (mm) 622 622 631
L - REACH (mm) 425 445 470
M - STAND OVER HEIGHT (mm) 712 726 746
N - HANDLEBAR WIDTH (mm) 780 780 780
O - STEM LENGTH (mm) 40 40 50
P - CRANK LENGTH (mm) 165 170 170
Q - WHEEL SIZE 27.5" 27.5" 27.5"
Sizes:
Frame SIzeRider Height (cm)Rider Height (in)
Small 163 - 172 5'3" - 5'8"
Medium 171 - 180 5'7" - 5'11"
Large 179 - 188 5'10" - 6'2"

Specs

Frame ALUXX SL-grade aluminum, 12x148mm thru-axle
Fork Giant Crest 34 SL RCL, 130mm, 44mm offset, Boost 15x110
Rims Giant AM 27.5, tubeless ready sleeve-joint rim, 30mm inner width
Hubs Alloy, sealed bearing
Spokes Stainless
Tires Maxxis Ardent Race 27.5x2.6, folding, TR , tubeless
Bottom Bracket SRAM SX PowerSpline, threaded
Crankset SRAM SX Eagle, 30t S:165mm, M:170mm, L:170mm, XL:170mm
Shifters SRAM SX Eagle, 1x12
Rear Derailleur SRAM NX Eagle
Cassette/Freewheel SRAM SX Eagle, 11x50
Chain SRAM SX Eagle
Brakes Shimano BR-MT420/410, hydraulic
Rotors Shimano RT-26 rotors, 180mm
Brake Levers Shimano BR-MT401
Handlebars Giant Contact SL TR35, 780x35mm
Tape/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 Sold Separately
Accessories & Extras Tubeless prepared

* Subject to change without notice.

Part Numbers

Option UPC MPN
Black / Small 04712878966673 1043001124
Black / Medium 04712878966680 1043001125
Black / Large 04712878966697 1043001127