Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$65 - $67
Actual value depends on condition, size, and local demand.

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Diamondback's Girl's Octane 20 is the ideal choice to fuel adventures around the neighborhood. The lightweight aluminum frame is super durable, while the suspension fork provides a smooth, comfy ride. The strong aluminum wheels and the grippy ATB tires are perfect for all riding conditions and the simple 6-speed drivetrain makes for easy climbing and descending. Plus, this sweet rig comes with powerful linear-pull brakes to keep your little one in control.
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.