GT Siren 12"
1 of 9
GT Siren 12"
1 of 9
- $176
- Rigid
- 12″
- Aluminum
- Coaster brake
Sizes
Size guide- One Size
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
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Frame
12" GT LegitFit Design, Alloy
Suspension
-
Fork
Drivetrain
-
Bottom bracket
Steel, Ball Type
-
Chain
-
Crankset
Forged One-Piece Type, 89mm, Steel, 24T
Brakes
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Brakes
Coaster Rear, Front: Coaster Rear, Rear: Coaster Rear
Wheels and tires
-
Front hub
Steel, Nutted Axle
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Rear hub
Steel, Nutted Axle, Coaster Brake
-
Rims
Alloy, 16h
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Spokes
Stainless Steel, 14g
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Tires
Cockpit and contact points
-
Grips
95mm Closed End
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Handlebar
Steel Riser Bar, 130mm Rise, 480mm Width
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Headset
1" Threaded, Steel
-
Pedals
Jr. BMX Design, Resin
-
Saddle
-
Stem
2-Bolt Alloy Top, Steel Quill
Sizes and geometry
Size explorer
Understanding sizes and measurements
Geometry not published
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Aluminum
- Fork material
-
- Steel
Suspension
- Suspension configuration
-
- Rigid
Drivetrain
- Front chainrings
-
- 1
- Smallest chainring
-
- 24
- Largest chainring
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- 24
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Coaster brake
Fit and controls
- Shifting
-
- Mechanical
Additional specifications
- Tire width
-
- 2.25″
- Wheel material
-
- Aluminum
- Wheel size
-
- 12″
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2021 builds
Similar bicycles
Same category, closest configuration.
