2020 Giant

ATX 3

A 26″ / 650b aluminum frame commuter bike with mid-range components and rim brakes.
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MSRP$430
Weight29.4 lbs  
FrameAluminum
SuspensionHardtail, 75mm
ForkSuntour
Wheels26″ / 650b Aluminum
Drivetrain3 × 7
GroupsetTourney
BrakesRim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

ATX 3

31 mph

Similar Bikes

Highest gear

(descending)

Sizing
XXS

4'11" – 5'3"

XS

5'1" – 5'5"

SM

5'3" – 5'8"

MD

5'6" – 5'10"

LG

5'8" – 6'1"

Rider Fit Notes

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Reviews
MBR
Giant ATX 2 review - MBR

Jun 2019 · Jamie Darlow

The Giant ATX 2 feels lightweight, comfortable and quiet on the descents, despite the poor fork, which we’ll get to in a minute.

Highs
  • Great lightweight frame, available in six sizes

Lows
  • Poor fork and plagued by shifting problems

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

ALUXX-Grade Aluminum

ColorsMetallic Black / Gray; Black / Pure Red; Olive Green

Fork

SR Suntour M3030A 26/27.5", 75mm, preload adjustable

Travel75mm

Spring TypeCoil

Shock

N/A

Spring TypeCoil

Bottom Bracket

cartridge

Stem

Giant Sport, alloy, 15-degree

Handlebar

Giant Sport, 25.4, alloy

Saddle

Giant custom

Seatpost

Giant Sport, 30.9x350

TypeRigid

Pedals

platform

Groupset
Rear Derailleur

Shimano Tourney

Front Derailleur

Shimano Tourney

Crank

Prowheel forged, 24/34/42

Shifters

Shimano EF41

Cassette

Shimano MF-TZ500, 14x34

Chain

KMC Z7

Brakes

MTB alloy linear pull

TypeRim

Brake Levers

Shimano EF41

Wheels
Rims

Giant GX06 26/27.5, alloy, double wall, 19mm inner width

Spokes

stainless, 14g

Front Hub

alloy, sealed bearing

Rear Hub

alloy, sealed bearing

Tires

Giant QuickCross 27.5x2.1/26x2.1

Rider Notes
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Last updated April 13