Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2019 Niner AIR 9 2-Star NX Eagle 27.5+
Previous used estimate
$607 - $624
Actual value depends on condition, size, and local demand.
Value Guide market data · 2019 Niner AIR 9 2-Star NX Eagle 27.5+
12-month projected trend
15%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Price over time - 2019 Niner AIR 9 2-Star NX Eagle 27.5+
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All AIR model years
Compare AIR 9 2-Star NX Eagle 27.5+ models
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Overview
About this bike
Let's face it. The AIR 9, Niner's lightweight aluminum hardtail, has always been capable. So how do you make capable even better? For one thing, you keep the excellent qualities of Niner's tried and true, hydroformed aluminum. Lightweight and snappy, poppy and peppy, the AIR 9 has plenty of stiffness to get you up to speed when you stomp on the pedals. Next, apply their [R]evolution geometry which puts the rider in a balanced position on the bike, and the ride experience goes up, way up. Then, add Boost 148 spacing because tire and wheel options are a good thing. Top it off with internal routing for a dropper post and you've made one capable bike even more capable. Niner's AIR 9 is the perfect blend of cross country quickness mixed with a rowdier attitude. Run it geared, with 1x or 2x compatibility. Or, run it singlespeed, using Niner's Biocentric BB. It's comfortable enough for all-day riding and quick enough to pin it at the races. It's got a tapered headtube for front-end stiffness and accepts up to a 120mm fork. With room for tires up to 29 x 2.4" or 27.5 x 3.0", the AIR 9 handles anything you throw at it. - SRAM GX Eagle drivetrain - Niner alloy wheels - Maxxis Rekon+ tires
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- ROCKSHOX JUDY GOLD RL SOLO AIR, 120MM, 51MM OFFSET
- Component Size
- X-Small, Small, Medium, Large, X-Large
- Component Stem
- RACE FACE AEFFECT R 40MM, 35MM CLAMP
- Product Family
- AIR
- Component Axles
- FRONT: 110 x 15MM REAR: 148 x 12MM
- Component Chain
- SRAM NX EAGLE 12SP
- Component Color
- Black/Cyan
- Component Frame
- AIR 9 HYDROFORMED ALUMINUM, 1X OR 2X COMPATIBLE, FITS TIRES UP TO 29 X 2.4" OR 27.5 X 3.0"
- Component Brakes
- SRAM LEVEL | 180/160MM G2CS ROTORS
- Component Saddle
- NINER CUSTOM TR WITH CR-MO RAILS, PRINTED NINER GRAPHIC
- Component Headset
- NINER INTERNAL ZS44/28.6|ZS56/40
- Component Cassette
- SRAM PG 1230 11-50T
- Component Crankset
- SRAM NX EAGLE DUB
- Component Shifters
- SRAM NX EAGLE 12SP
- Component Handlebar
- RACE FACE AEFFECT R 780MM WIDE, 20MM RISE, 35MM CLAMP
- Component Seat Post
- NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC
- Component Chainrings
- 32T
- Component Front Tire
- MAXXIS REKON+ DC/EXO/TR 27.5 x 2.8"
- Component Tape Grips
- NINER GRRRIPS L/O NYLON FLANGED
- Component Brake Levers
- SRAM LEVEL
- Component Bottom Bracket
- SRAM DUB PF30
- Component Rear Derailleur
- SRAM NX EAGLE 12SP
- Crankset
- SRAM NX EAGLE DUB
- Bottom Bracket
- SRAM DUB PF30
- Chain
- SRAM NX EAGLE 12SP
- Saddle
- NINER CUSTOM TR WITH CR-MO RAILS, PRINTED NINER GRAPHIC
- Handlebar
- RACE FACE AEFFECT R 780MM WIDE, 20MM RISE, 35MM CLAMP
- Headset
- NINER INTERNAL ZS44/28.6|ZS56/40
- Rear Derailleur
- SRAM NX EAGLE 12SP
- Stem
- RACE FACE AEFFECT R 40MM, 35MM CLAMP
- Axles
- FRONT: 110 x 15MM REAR: 148 x 12MM
- Brake Levers
- SRAM LEVEL
- Brakes
- SRAM LEVEL | 180/160MM G2CS ROTORS
- Cassette
- SRAM PG 1230 11-50T
- Chainrings
- 32T
- Fork
- ROCKSHOX JUDY GOLD RL SOLO AIR, 120MM, 51MM OFFSET
- Frame
- AIR 9 HYDROFORMED ALUMINUM, 1X OR 2X COMPATIBLE, FITS TIRES UP TO 29 X 2.4" OR 27.5 X 3.0"
- Seat Post
- NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC
- Shifters
- SRAM NX EAGLE 12SP
- Tape/Grips
- NINER GRRRIPS L/O NYLON FLANGED
- Color
- Black/Cyan
- Size
- X-Large
- Front Tire
- MAXXIS REKON+ DC/EXO/TR 27.5 x 2.8"
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.