2020 Niner

AIR 9 RDO - 2-STAR SRAM SX EAGLE

A 29″ carbon frame hardtail crosscountry bike with high-end components.
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MSRP$2,900
FrameCarbon
SuspensionHardtail, 100mm
ForkFox Rhythm Float 32
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle, X1
BrakesHydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

AIR 9 RDO - 2-STAR SRAM SX EAGLE

27 mph

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Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

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Reviews
Bicycling
First Look: Choose Your Wheel Size With The New Niner Air 9 Hardtail Mountain Bike

Aug 2017 · Ron Koch

Niner updates two aluminum models, adds new colors and goes SRAM 1x with all its Star builds.

Read Review

MTBR
2017 Niner AIR 9 RDO

May 2016

Merging the pedaling efficiency of first RDO and the ride quality of the second, this third iteration modernizes the geometry to create an attractive XC racing hardtail. - Mtbr.com

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

NINER RDO CARBON FIBER, INTERNAL CABLE ROUTING, PF30 BB, SINGLE-SPEED COMPATIBLE.

BB StandardPF30, 73mm, Press Fit

Tire Clearance2.4"

Fork

FOX 32 FLOAT RHYTHM GRIP EVOL, SWEEP ADJUST, 100MM, 110X15MM, 51MM OFFSET

Travel100mm

Spring TypeAir

Shock

N/A

Spring TypeAir

Bottom Bracket

73mm PF30 BB Shell (Adapters Required For BSA Type BBs)

Headset

NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40

Stem

NINER ALLOY STEM, NINER GRAPHIC

Handlebar

NINER FLAT TOP ALLOY, 780MM, NINER GRAPHIC

Saddle

NINER CUSTOM WITH CHRO-MO RAILS, EMBOSSED NINER GRAPHIC

Seatpost

NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC

TypeRigid

Grips

NINER GRRRIPS L/O NYLON

Groupset
Rear Derailleur

SRAM SX EAGLE 12SP

Front Derailleur

N/A

Crank

SRAM X1 1K EAGLE DUB, 32T

Shifters

SRAM SX EAGLE 12SP

Cassette

SRAM PG 1230 11-50T

Chain

SRAM SX EAGLE 12SP

Brakes

SRAM LEVEL

TypeHydraulic Disc

Brake Levers

SRAM LEVEL

Wheels
Rims

Front: NINER ALLOY, 110X15MM FRONT, NINER GRPHIC, Rear: NINER ALLOY, 148X12MM REAR, NINER GRAPHIC

Tires

Front: MAXXIS REKON 3C/EXO/TR 29x2.4 WT FRONT, Rear: MAXXIS REKON RACE 2C/EXO/TR 2.25 REAR

Disc Rotors

180/160MM G2CS ROTORS

Rider Notes
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Last updated February 21
Not listed for 1,492 days