Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
Previous used estimate
$135 - $138
Actual value depends on condition, size, and local demand.

12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
1%
Holds value better than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
Kids' Superfly is a race-ready mountain bike inspired by Trek's super-fast adult Superfly. Quality trail components mean business, while the light, nimble frame keeps things fun. Superfly is THE bike for adventure-loving kids who are ready to meet challenging trails head on. Just don't be surprised when they pass you on the singletrack. Key Features - Race-tuned frame, inspired by Trek's super-fast adult Superfly - Frame, components, and riding position are singletrack ready - Fits right from the start, and will grow with the rider - Trek quality = safety on the trail
Inspection
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Inspection
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.