Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2018 GT Grunge Coaster 20
Previous used estimate
$79 - $81
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 GT Grunge 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 Grunge Coaster 20
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Grunge model years
Compare Grunge Coaster 20 models
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Overview
About this bike
Sure, we had grunge in the 90's, but it was never this much fun. Channel your little rocker's energy into two wheels with GT's Grunge Coaster 20", and get him aiming for a different kind of stage from an early age with a single-speed bike built just for riders who are growing up through the ranks. The LegitFit system gives them better positioning, easier pedaling, and a faster start to your next ride. The durable construction and quality components you trust from GT means you can focus on his development and the two of you having fun! This is truly a bike designed to help your little one feel like a big kid.
Specifications
- Subtype
- 20-inch
- Category
- Kids
- Component Size
- One Size
- Product Family
- Grunge
- Component Color
- Neon Green
- Color
- Neon Green
- 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.