Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
Previous used estimate
$545 - $560
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.
Niner's S.I.R. 9 is truly a do-everything frame. Run it singlespeed at your local race, then convert it to geared to do an epic XC ride. Or, shoot for the middle and rock a 1 x 9; the S.I.R. 9 gives you the option of trying it all. Using custom-drawn Reynolds 853 steel tubing with Niner's dexterous geometry and the stability of 29-inch wheels, you get ride quality unsurpassed by ordinary hardtails. Niner’s own super light eccentric bottom bracket, allows for perfect chain tension and easy wheel removal with disc brakes. And, this SS build is styled out with Race Face cranks and controls, American Classic wheels and Avid Juicy 7 brakes. Oh, and what does S.I.R. mean? Why, Steel Is Real, of course!
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.