Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$76 - $78
Actual value depends on condition, size, and local demand.

12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
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.
Diamondback's Octane 24 is a great bike for all their rides. It sports a nimble-handling and durable aluminum frame and a suspension fork that provides a super-smooth ride. Plus, this sweet machine sports easy-spinning aluminum wheels and a 21-speed drivetrain so he'll be able to even keep up with you. It also boast powerful linear-pull brakes for total safety and 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.