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2018 Giant Fathom 2

Launched at $1,175

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What a used one is worth

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New

$511

$309 to $636

Like new

$486

$294 to $604

Excellent

$460

$278 to $573

Good

$383

$232 to $477

Fair

$281

$170 to $350

For parts

$153

$93 to $191

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand
Giant
Model family
Fathom
Model year
2018
Category
Mountain · trail
Frame material
aluminum
Sizes
S, M, L, XL
Wheel size
27.5
Launch MSRP (US)
$1,175

Drivetrain

Groupset
Shimano Deore Shadow +
Electronic
false

Build

Fork
SR Suntour Raidon XC LOR DS, 15mm thru-axle, OverDrive, 120mm travel
Stem
Giant Connect
Tires
Maxxis Ardent, 27.5x2.25, Tubeless, 60TPI
Brakes
Shimano M315, hydraulic disc, [F] 180mm, [R] 160mm
Saddle
Giant Contact Neutral
Wheels
Giant XC-2 Disc, Tubeless
Cassette
FSA Comet, 26/36
Crankset
FSA Comet, 26/36
Seatpost
Giant Contact Switch, dropper, 30.9mm
Shifters
Shimano Deore
Handlebar
Giant Connect Trail
Rear derailleur
Shimano Deore Shadow +
Travel front mm
120

Geometry

L
Reach mm: 444; Stack mm: 611; Chainstay mm: 425; Wheelbase mm: 1153; Head angle deg: 67; Seat angle deg: 73.5
M
Reach mm: 428; Stack mm: 598; Chainstay mm: 425; Wheelbase mm: 1131; Head angle deg: 67; Seat angle deg: 73.5
S
Reach mm: 411; Stack mm: 588; Chainstay mm: 425; Wheelbase mm: 1109; Head angle deg: 67; Seat angle deg: 73.5
XL
Reach mm: 460; Stack mm: 625; Chainstay mm: 425; Wheelbase mm: 1174; Head angle deg: 67; Seat angle deg: 73.5

MSRP as listed on the Giant Group US product page for this model year, accessed 2026-09-21.

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