Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$497 - $512
Actual value depends on condition, size, and local demand.

12-month projected trend
1%
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
It doesn't matter if you're climbing or descending, you'll charge every trail on Diamondback's Sortie 1 29er. Its lightweight aluminum Diamondback frame rocks their Knuckle Box rear linkage to enable you to do some serious all-day rides. Long ride or short, for maximum control and confidence, this big-wheel rig has 130/125mm of front and rear travel courtesy of Fox. Add on a Shimano 27-speed drivetrain, powerful Shimano disc brakes, and an easy rolling 29-inch wheelset and there’s no second guessing, this thing is ready charge every trail.
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.
Inspection
Confirm fork and rear shock service intervals and check pivot bearings for play.