Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$216 - $222
Actual value depends on condition, size, and local demand.

12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
4%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
For the up and coming trail rider, Diamondback makes the Sync’r 24... a completely capable 24to; wheeled mountain bike with top shelf components for your little ripper. The 24 inch wheels and low slung geometry provide just the right fit and handling for the smaller rider, and the 6061 aluminum alloy construction gives you all the durability you need. With big bike components like a SRAM 1×11 drivetrain, 80mm Suntour fork, and Tektro hydraulic brakes, this bike gives young riders all they need to get to that next level.
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.