Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$92 - $95
Actual value depends on condition, size, and local demand.

12-month projected trend
4%
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.
Choose a different build or frame style to see its value.
Designed for adventures around the block and getting started on the trail, the Octane 24 is a great all-purpose mountain bike for growing kids. The aluminum frame is lightweight and durable, with 24to; wheels that roll over holes and obstacles smaller bikes struggle with. A suspension fork helps keep everything in control when things get bumpy, and an easy-twist grip shift selects from 21 terrain-gobbling gears.
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.