Bicycle Archive · Specification report

2017 Giant Fathom 1

Velopedia Archive ID 900002216

Overview

Model year	2017
Brand	Giant
Model	Fathom 1
Bicycle type	Mountain
Archive ID	900002216
Colors	Black/Blue
Sizes	S; M; L; XL

Frameset

Frame construction	ALUXX SL-grade aluminum
Frame material	Aluminum
Fork	SR Suntour Axon LO-RC, 15mm thru-axle, OverDrive, 120mm travel
Rear shock	N/A

Drivetrain

Shifters	Shimano SLX
Front derailleur	N/A
Rear derailleur	Shimano SLX, Shadow+
Crankset	Shimano SLX, 30T
Bottom bracket	Shimano, Press fit
Cassette	Shimano SLX 11x42, 11-speed
Chain	Shimano HG 601
Pedals	Platform, caged

Brakes

Brakes	Shimano M365, hydraulic disc, [F] 180mm [R] 160mm

Cockpit & contact points

Handlebar	Giant Connect Trail, 31.8mm
Stem	Giant Connect
Saddle	Giant Connect Upright
Seatpost	TranzX YSP-15 dropper post, internal routing, 30.9mm

Wheels & tires

Hubs	Giant Performance Tracker Disc, 28h, [F] 15mm thru-axle, [R] QR
Rims	Giant XC-1
Spokes	Stainless Steel, 14g
Front tire	Maxxis Ardent, 27.5x2.25, Folding
Rear tire	Maxxis Ardent, 27.5x2.25, Folding

Geometry · XS

Seat tube	370 mm
Top tube	565 mm
Head tube	95 mm
Head-tube angle	67°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1089 mm
Bottom-bracket drop	45 mm
Reach	392 mm
Stack	584 mm
Standover height	697 mm
Fork offset / rake	42 mm
Trail	105 mm
Crank length	170 mm
Stem length	70 mm
Handlebar width	730 mm
Wheel size	27.5"

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	1109 mm
Bottom-bracket drop	45 mm
Reach	411 mm
Stack	588 mm
Standover height	714 mm
Fork offset / rake	42 mm
Trail	105 mm
Crank length	170 mm
Stem length	80 mm
Handlebar width	730 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	743 mm
Fork offset / rake	42 mm
Trail	105 mm
Crank length	175 mm
Stem length	90 mm
Handlebar width	730 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	753 mm
Fork offset / rake	42 mm
Trail	105 mm
Crank length	175 mm
Stem length	100 mm
Handlebar width	730 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	786 mm
Fork offset / rake	42 mm
Trail	105 mm
Crank length	175 mm
Stem length	110 mm
Handlebar width	730 mm
Wheel size	27.5"

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.