Bicycle Archive · Specification report

2020 Giant Fathom 2

Velopedia Archive ID 900003049

Overview

Model year	2020
Brand	Giant
Model	Fathom 2
Bicycle type	Mountain
Archive ID	900003049
Original MSRP	$1,200.00
Colors	Gunmetal Black / Metallic Gray; Desert Sand
Sizes	XS; S; M; L; XL

Frameset

Frame construction	ALUXX SL-Grade Aluminum
Frame material	Aluminum
Fork	Suntour Raidon XC LO-R (120mm, tapered, 15x110 QR) OR Giant Crest 34 Suspension Fork
Rear shock	N/A

Drivetrain

Shifters	SRAM SX Eagle
Front derailleur	N/A
Rear derailleur	SRAM SX Eagle
Crankset	SRAM Eagle SX DUB, 30t
Bottom bracket	SRAM DUB, press fit
Cassette	SRAM SX Eagle, 11x50
Chain	SRAM SX Eagle
Pedals	N/A

Brakes

Brakes	Tektro HDM 275

Cockpit & contact points

Handlebar	Giant Connect Trail, 780x31.8, [GA 690]
Stem	Giant Contact
Saddle	Giant custom
Seatpost	Giant Contact Switch dropper post with remote, 30.9

Wheels & tires

Hubs	[F] Giant Tracker Performance Boost 15x110, sealed bearing [R] Giant Tracker Giant Sport Boost QR 141, loose ball
Rims	Giant AM 27.5 tubeless ready sleeve-joint rim, 30mm inner width
Spokes	Sapim
Front tire	Maxxis Ardent Race 27.5x2.6, folding, TR
Rear tire	Maxxis Ardent Race 27.5x2.6, folding, TR

Geometry · S

Seat tube	390 mm
Top tube	585 mm
Head tube	100 mm
Head-tube angle	67°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1110 mm
Bottom-bracket drop	45 mm
Reach	411 mm
Stack	588 mm
Standover height	691 mm
Fork offset / rake	42 mm
Trail	108.2 mm
Crank length	170 mm
Stem length	40 mm
Handlebar width	780 mm
Wheel size	27.5"

Geometry · M

Seat tube	445 mm
Top tube	605 mm
Head tube	110 mm
Head-tube angle	67°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1131 mm
Bottom-bracket drop	45 mm
Reach	428 mm
Stack	598 mm
Standover height	731 mm
Fork offset / rake	42 mm
Trail	108.2 mm
Crank length	175 mm
Stem length	50 mm
Handlebar width	780 mm
Wheel size	27.5"

Geometry · L

Seat tube	480 mm
Top tube	625 mm
Head tube	125 mm
Head-tube angle	67°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1153 mm
Bottom-bracket drop	45 mm
Reach	444 mm
Stack	611 mm
Standover height	745 mm
Fork offset / rake	42 mm
Trail	108.2 mm
Crank length	175 mm
Stem length	60 mm
Handlebar width	780 mm
Wheel size	27.5"

Geometry · XL

Seat tube	530 mm
Top tube	645 mm
Head tube	140 mm
Head-tube angle	67°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1174 mm
Bottom-bracket drop	45 mm
Reach	460 mm
Stack	625 mm
Standover height	784 mm
Fork offset / rake	42 mm
Trail	108.2 mm
Crank length	175 mm
Stem length	70 mm
Handlebar width	780 mm
Wheel size	27.5"

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 23, 2026.