Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2021 Niner AIR 9 RDO 3-Star SS LTD
Previous used estimate
$1,440 - $1,481
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Niner AIR 9 RDO 3-Star SS LTD
12-month projected trend
13%
Direction and magnitude, not judgment
vs. category average
6%
Drops faster than category avg
Price over time - 2021 Niner AIR 9 RDO 3-Star SS LTD
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All AIR model years
Compare AIR 9 RDO 3-Star SS LTD models
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Overview
About this bike
Our flagship carbon fiber hardtail: AIR 9 RDO. Niner's purest expression of light, stiff Race Day Optimized carbon fiber rules the racecourse. This efficient yet compliant frame makes the most of carbon's unique properties to give you the best ride, no matter if you're gunning for a podium or cruising local singletrack. Go silent, simple, and super light with a 3-Star Shimano XT singlespeed kit. Our AIR 9 RDO frame is uniquely suited for this popular and insanely fun build. - Niner alloy wheels, 25mm inner width - FOX 32 Float Rhythm GRIP EVOL fork, 100mm travel - Shimano x Niner singlespeed drivetrain
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Fox 32 Float Rhythm Grip EVOL, Sweep Adjust, 100mm, 110x15mm, 51mm Offset
- Component Size
- X-Small, Small, Medium, Large, X-Large
- Component Stem
- Niner RDO Stem, Niner Graphic
- Product Family
- AIR
- Component Chain
- SRAM 12sp
- Component Color
- Sand/Orange, Satin Carbon/Silver
- Component Frame
- Niner RDO Carbon Fiber, Internal Cable Routing, PF30 BB, Single-Speed Compatible
- Component Brakes
- Shimano XT M8100, Metal Pad w/Fin
- Component Pedals
- Sold separately
- Component Rotors
- 180/160mm Shimano XT RT-86
- Component Saddle
- Niner Custom With CrN-Ti Rails, Embossed Niner Graphic
- Component Headset
- Niner Integrated SHIS Description IS42/28.6|IS52/40
- Component Crankset
- Shimano SLX M7000, 32T
- Component Seatpost
- Niner RDO Seat Post, 400mm, Niner Graphic
- Component Handlebar
- Niner Flat Top RDO, 780mm, Niner Graphic
- Component Wheel Set
- Front: Niner Alloy, 25mm Inner Width, 110x15mm Rear: Niner Alloy, 25mm Inner Width, 148x12mm
- Component Front Tire
- Front: Schwalbe Racing Ray EVO Super Terrain TLE Addix Speedgrip 2.35" Rear: Schwalbe Racing Ralph EVO Super Terrain TLE Addix Speed 2.35"
- Component Tape Grips
- Niner Grrrips L/O Soft Compound
- Component Brake Levers
- Shimano XT 8100
- Component Bottom Bracket
- Niner Biocentric 30
- Component Accessories Extras
- Stans No Tubes Sealant (2 x 2oz Bottles)
- Component Cassette Freewheel
- Niner Cogalicious 20T
- Crankset
- Shimano SLX M7000, 32T
- Pedals
- Sold separately
- Bottom Bracket
- Niner Biocentric 30
- Chain
- SRAM 12sp
- Seatpost
- Niner RDO Seat Post, 400mm, Niner Graphic
- Saddle
- Niner Custom With CrN-Ti Rails, Embossed Niner Graphic
- Handlebar
- Niner Flat Top RDO, 780mm, Niner Graphic
- Headset
- Niner Integrated SHIS Description IS42/28.6|IS52/40
- Stem
- Niner RDO Stem, Niner Graphic
- Accessories & Extras
- Stans No Tubes Sealant (2 x 2oz Bottles)
- Brake Levers
- Shimano XT 8100
- Brakes
- Shimano XT M8100, Metal Pad w/Fin
- Fork
- Fox 32 Float Rhythm Grip EVOL, Sweep Adjust, 100mm, 110x15mm, 51mm Offset
- Frame
- Niner RDO Carbon Fiber, Internal Cable Routing, PF30 BB, Single-Speed Compatible
- Tape/Grips
- Niner Grrrips L/O Soft Compound
- Color
- Satin Carbon/Silver
- Size
- X-Large
- Cassette/Freewheel
- Niner Cogalicious 20T
- Rotors
- 180/160mm Shimano XT RT-86
- Wheel Set
- Front: Niner Alloy, 25mm Inner Width, 110x15mm Rear: Niner Alloy, 25mm Inner Width, 148x12mm
- Front Tire
- Front: Schwalbe Racing Ray EVO Super Terrain TLE Addix Speedgrip 2.35" Rear: Schwalbe Racing Ralph EVO Super Terrain TLE Addix Speed 2.35"
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.