MountainE-bikeVerified spec
2020 Giant Fathom E+ 3 Power
Launched at $2,700
Own a 2020 Giant Fathom E+ 3 Power?
Track its value in your garage, or list it for sale locally in a few taps.
What a used one is worth
Open the value toolNew
$1,388
$877 to $1,691
Like new
$1,319
$833 to $1,606
Excellent
$1,249
$789 to $1,521
Good
$1,041
$658 to $1,268
Fair
$763
$482 to $930
For parts
$416
$263 to $507
From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.
Overview
- Brand
- Giant
- Model family
- Fathom E+
- Model year
- 2020
- Category
- Mountain · trail
- Frame material
- aluminum
- Sizes
- XS, S, M, L, XL
- Wheel size
- 27.5+
- Launch MSRP (US)
- $2,700
Drivetrain
- Speeds
- 9
- Groupset
- Shimano Deore
- Electronic
- false
Build
- Fork
- SR Suntour XCM 32 NLO DS 15AH-110, 27.5 120mm travel, Tapered 1½ - 1⅛" steerer, lockout
- Stem
- Giant Contact
- Tires
- Maxxis Forekaster 27.5x2.6, foldable, 60 TPI, EXO, Tubeless ready
- Brakes
- Tektro HD-M285, hydraulic disc, 180mm
- Saddle
- Giant Sport
- Wheels
- Giant AM 27.5, Tubeless ready, 30mm inner width
- Cassette
- Shimano CS-HG200, 11-36T, 9-Speed
- Crankset
- Forged Alloy minimal Q-factor, 36T Steel Direct Mount ring
- Seatpost
- Giant 30.9mm, 2-bolt Micro Adjustable, Forged Aluminium
- Shifters
- Shimano SL-M2000
- Handlebar
- Giant Connect TR Riser 31.8x750mm
- Rear derailleur
- Shimano Deore, 9-Speed, Shadow design
- Travel front mm
- 120
Motor and battery
- Motor
- Giant SyncDrive Sport. Pedal assist up to 20 mph.
- Assist mph
- 20
- Battery wh
- 500
Geometry
- L
- Reach mm: 417; Stack mm: 645; Chainstay mm: 470; Wheelbase mm: 1178; Head angle deg: 68; Seat angle deg: 73
- M
- Reach mm: 405; Stack mm: 622; Chainstay mm: 470; Wheelbase mm: 1156; Head angle deg: 68; Seat angle deg: 73
- S
- Reach mm: 386; Stack mm: 617; Chainstay mm: 470; Wheelbase mm: 1135; Head angle deg: 68; Seat angle deg: 73
- XL
- Reach mm: 435; Stack mm: 654; Chainstay mm: 470; Wheelbase mm: 1199; Head angle deg: 68; Seat angle deg: 73
MSRP as listed on the Giant Group US product page for this model year, accessed 2026-09-21.
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