Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
VAAST Bikes
Previous used estimate
$308 - $317
Actual value depends on condition, size, and local demand.

12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
Choose a different build or frame style to see its value.
The Y/1 Mountain 20" has been designed for kids in the prime bike riding age of 5 to 8 years old. In addition to a smooth shifting 1X drivetrain, carefully thought-out geometry, and age-appropriate componentry, the bike features grown-up technology like hydraulic disc brakes, air suspension fork, and specifically tuned return springs. This is not a kid's toy - this is a legit mountain bike designed for riders 5 to 8 years of age. It is perfect for enthusiasts from 5 - 8 and parents who want their youngsters to have the same access to adventure they enjoy themselves.
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.