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2021 Giant

STP 20

A 20″ aluminum frame mountain youth bike with modest components and mechanical disc brakes.
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Manufacturer Price

$535
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
Drivetrain1 × 12
GroupsetAltus
BrakesMechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
STP 20
Other Mountain Youth bikes
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)

15 mph

STP 20

Highest gear

(descending)

Sizing
One Size

3'9" – 4'4"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

ALUXX-Grade Aluminum

ColorConcrete

Fork

alloy, rigid

Shock

N/A

Bottom Bracket

cartridge

Stem

forged alloy, 0-degree

Handlebar

Giant Sport, alloy, 31.8

Saddle

Giant Jr. Sport

Seatpost

alloy, 27.2x250

TypeRigid

Pedals

platform

Groupset
Rear Derailleur

Shimano Altus

Front Derailleur

N/A

Crank

alloy forged, 30t

Shifters

Shimano REVOSHIFT

Cassette

Shimano CS-HG200, 12x32

Chain

KMC Z7

Brakes

mechanical disc

TypeMechanical Disc

Brake Levers

alloy, junior

Wheels
Rims

Giant 20", alloy, 28mm inner width

Spokes

stainless, 14g

Front Hub

Giant Disc, 28h, QR, alloy, disc

Rear Hub

Giant Disc, 28h, QR, alloy, disc

Tires

Kenda Karma, 20x2.6

Rider Notes
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First added October 27

Last updated January 28

Not listed for 1,217 days