Bicycle Archive · Specification report

2021 Giant ATX

Velopedia Archive ID 900003116

Overview

Model year	2021
Brand	Giant
Model	ATX
Bicycle type	Mountain
Archive ID	900003116
Original MSRP	$530.00
Colors	Vibrant Blue; Black
Sizes	26: XXS; XS; S 27.5: S; M; L; XL

Frameset

Frame construction	ALUXX-Grade Aluminum
Frame material	Aluminum
Fork	SR Suntour M3030A, 75mm, coil spring, QR, preload adjust
Rear shock	N/A

Drivetrain

Shifters	Shimano EF41
Front derailleur	Shimano Tourney
Rear derailleur	Shimano Tourney
Crankset	ProWheel forged alloy, 24/34/42
Bottom bracket	cartridge
Cassette	Shimano TZ500, 7-speed, 14x34
Chain	KMC Z7
Pedals	Platform

Brakes

Brakes	linear pull, alloy

Cockpit & contact points

Handlebar	Giant Sport, 25.4
Stem	Giant Sport
Saddle	Giant Sport Custom
Seatpost	Giant Sport, 30.9

Wheels & tires

Hubs	alloy, sealed bearing
Rims	Giant CH17, alloy
Spokes	Stainless
Front tire	Giant Quickcross, 26x2.2 or 27.5x2.2
Rear tire	Giant Quickcross, 26x2.2 or 27.5x2.2

Geometry · XXS (26")

Seat tube	350 mm
Top tube	555 mm
Head tube	95 mm
Head-tube angle	68°
Seat-tube angle	73.5°
Chainstay / rear center	420 mm
Wheelbase	1065 mm
Bottom-bracket drop	35 mm
Reach	390 mm
Stack	556 mm
Standover height	688 mm
Fork offset / rake	42 mm
Trail	92.5 mm
Crank length	160 mm
Stem length	50 mm
Handlebar width	620 mm
Wheel size	26"

Geometry · XS (26")

Seat tube	385 mm
Top tube	565 mm
Head tube	105 mm
Head-tube angle	68°
Seat-tube angle	73.5°
Chainstay / rear center	420 mm
Wheelbase	1076 mm
Bottom-bracket drop	35 mm
Reach	398 mm
Stack	565 mm
Standover height	710 mm
Fork offset / rake	42 mm
Trail	92.5 mm
Crank length	165 mm
Stem length	50 mm
Handlebar width	660 mm
Wheel size	26"

Geometry · S (27.5")

Seat tube	420 mm
Top tube	575 mm
Head tube	95 mm
Head-tube angle	68°
Seat-tube angle	73.5°
Chainstay / rear center	435 mm
Wheelbase	1080 mm
Bottom-bracket drop	50 mm
Reach	403 mm
Stack	581 mm
Standover height	721 mm
Fork offset / rake	42 mm
Trail	92.5 mm
Crank length	170 mm
Stem length	70 mm
Handlebar width	660 mm
Wheel size	27.5"

Geometry · M (27.5")

Seat tube	455 mm
Top tube	590 mm
Head tube	110 mm
Head-tube angle	68°
Seat-tube angle	73°
Chainstay / rear center	435 mm
Wheelbase	1091 mm
Bottom-bracket drop	50 mm
Reach	408 mm
Stack	595 mm
Standover height	747 mm
Fork offset / rake	42 mm
Trail	92.5 mm
Crank length	170 mm
Stem length	70 mm
Handlebar width	660 mm
Wheel size	27.5"

Geometry · L (27.5")

Seat tube	505 mm
Top tube	610 mm
Head tube	145 mm
Head-tube angle	68°
Seat-tube angle	73°
Chainstay / rear center	435 mm
Wheelbase	1114 mm
Bottom-bracket drop	50 mm
Reach	418 mm
Stack	628 mm
Standover height	789 mm
Fork offset / rake	42 mm
Trail	92.5 mm
Crank length	175 mm
Stem length	90 mm
Handlebar width	700 mm
Wheel size	27.5"

Geometry · XL (27.5")

Seat tube	535 mm
Top tube	630 mm
Head tube	170 mm
Head-tube angle	68°
Seat-tube angle	73°
Chainstay / rear center	435 mm
Wheelbase	1136 mm
Bottom-bracket drop	50 mm
Reach	431 mm
Stack	651 mm
Standover height	814 mm
Fork offset / rake	42 mm
Trail	92.5 mm
Crank length	175 mm
Stem length	90 mm
Handlebar width	700 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.