Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Giant
Previous used estimate
$365 - $376
Actual value depends on condition, size, and local demand.

12-month projected trend
9%
Direction and magnitude, not judgment
vs. category average
5%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
From the driveway to the bike park, STP 20 helps young riders make the transition from wobbly laps around the block to having fun on trails and off-road terrain. KEY PERFORMANCE FACTORS - Dirt or street Lightweight, strong and durable aluminum frameset is designed to go from street riding to bike parks or trails. - Kid-friendly design Frame geometry is designed specifically for young riders with 20-inch wheels, a low standover height and taller front end for a stable ride quality. - Maximum control Powerful disc brakes and suspension fork (on select models) with a lockout option puts maximum control in the rider’s hands. TECHS AND FEATURES - ALUXX ALUMINUM TECHNOLOGY This Performance level frame material features 6061 alloy with single-butted tubes to produce strong, lightweight framesets for a variety of different bikes and riding styles.
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.