Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$129 - $133
Actual value depends on condition, size, and local demand.

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Diamondback's Serene Classic is the ideal choice for more fun on all your rides whether you pedal for pleasure, fitness or to get around town. This sweet machine features a nimble-handling, lightweight step-through aluminum frame and an easy-to-shift 21-speed Shimano drivetrain that makes the hills easy. You'll also love the stable 26-inch wheels and tires. And, you also get a suspension fork that smooths even the bumpiest roads. From the house to the office or around your favorite roads and trails, the Serene Classic takes you there and back every time with a smile on your face.
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.