Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
Previous used estimate
$751 - $773
Actual value depends on condition, size, and local demand.

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Niner's Air 9 Carbon is your private jet for all your cross-country trail travels. Feather-light with a stiff twist, the Air 9's carbon layup keeps vibration at bay so you feel like you're floating on cloud nine while pushing hard up the climbs or soaring down your favorite descents. A tapered headtube adds to the precision steering, while a RockShox SID XX fork gives you 100mm of cush while you're in flight. A Shimano XT drivetrain gets you up to speed for take-off with 2 x 10 gearing and quick, responsive shifting. Take this stealth flyer to the race course and roll smoothly thanks to 29-inch Stan's ZTR Arch EX wheels built for conquering turbulence, and when it comes time to slow it down, rely on Shimano XT hydraulic discs to bring it in for a landing. And, with Niner's carbon seatpost and handlebars rounding it all out, you get a light, tough rig ready for the long haul.
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.