Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
2018 Trek Superfly 20
Previous used estimate
$149 - $154
Actual value depends on condition, size, and local demand.
Value Guide market data · 2018 Trek Superfly 20
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
5%
Holds value better than category avg
Price over time - 2018 Trek Superfly 20
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Superfly model years
Overview
About this bike
Let their adventures begin Trek Kids' mountain bikes are the real deal, with light frames, knobby tires, quality parts, durable construction, and Dialed adjustable components that can grow with young riders. Adventurous kids deserve a true, trail-ready bike that will take them down the road or off the road with confidence and control. Key features - Better than big box bikes, and your kid deserves it - Frame and parts are dialed to fit kids right from the start - Fun, kid-friendly details come standard - Trek quality = safety and fun
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Product Family
- Superfly
- Component Color
- Trek Black, Green-light
- Color
- Green-light
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.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.