Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2018 GT Siren Coaster 20
Previous used estimate
$79 - $81
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 GT Siren Coaster 20
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
5%
Holds value better than category avg
Price over time - 2018 GT Siren Coaster 20
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Siren model years
Compare Siren Coaster 20 models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
Normally you associate sirens with warnings, and the GT Siren 16" holds true. Warning: your petite pedaller is about to start ripping the trails and may not want to stop. Are you ready for that kind of ruckus? The LegitFit frame makes for faster starts, easier pedaling, and the perfect positioning to announce the arrival of a new generation. The Siren's built tough to handle everything she can throw at it, so all you and she have to do it focus on the fun! She'll be big-kid riding in no time.
Specifications
- Subtype
- 20-inch
- Category
- Kids
- Component Size
- One Size
- Product Family
- Siren
- Component Color
- Mustang Teal
- Color
- Mustang Teal
- Size
- One Size
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.