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2017 GT

Siren 12

A 12″ steel frame general youth bike with coaster brakes.
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Manufacturer Price

$159
FrameSteel
SuspensionRigid
ForkSteel
Wheels12″ Aluminum
DrivetrainSingle-speed
BrakesCoaster
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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)

6 mph

Siren 12

18 mph

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Highest gear

(descending)

Specs
Build
Frame

12" GT Legit Fit Design, Hi-Ten Steel

Fork

GT Hi-Ten Steel, 1" Threaded Steerer

Bottom Bracket

Steel, Ball type

Headset

Steel, 1"

Stem

2-Bolt Alloy Top, Steel Quill

Handlebar

Steel 460mm width x 130mm rise

Saddle

GT 1-piece

Seatpost

Alloy

Type: Rigid

Pedals

Jr. BMX design, resin

Grips

92mm closed end

Groupset
Crank

Forged One-Piece Type, 89mm, Steel, 26T

Cassette

16T Coaster

Chain

1/2" x 1/8"

Brakes

(R) Coaster

Type: Coaster

Wheels
Rims

Alloy, 16 hole

Spokes

14G

Front Hub

Steel, 16 Hole (F) 3/8" Axle, (R) Coaster

Rear Hub

Steel, 16 Hole (F) 3/8" Axle, (R) Coaster

Tires

12 x 2.25"

Rider Notes
Riders Also Viewed

First added June 29

Last updated June 29

Not listed for 3,256 days