2020 Niner

AIR 9 RDO - 3-STAR SHIMANO XT

A 29″ carbon frame hardtail crosscountry bike with high-end components.
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Manufacturer Price

$4,100
FrameCarbon
SuspensionHardtail, 100mm
ForkFox Performance Elite Float 32
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetXT, Race Face
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)

28 mph

AIR 9 RDO - 3-STAR SHIMANO XT

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 SC FLOAT PERFORMANCE ELITE EVOL FIT4, W/ REMOTE L/O, 100MM, 110X15MM, 44MM 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 RDO, 780MM, NINER GRAPHIC

Saddle

NINER CUSTOM WITH CR-MO RAILS, EMBOSSED NINER GRAPHIC

Seatpost

NINER CARBON SEAT POST, 370MM, NINER GRAPHIC

TypeRigid

Grips

NINER GRRRIPS L/O NYLON

Groupset
Rear Derailleur

SHIMANO XT M8100 SGS 12SP

Front Derailleur

N/A

Crank

RACEFACE TURBINE 12SP, 32T

Shifters

SHIMANO XT M8100 12SP I-SPEC EV

Cassette

SHIMANO SLX M7100 12SP, 10-51T

Chain

SHIMANO SLX M7100 W/ QUICKLINK

Brakes

SHIMANO XT M8100, METAL PAD W/ FIN

TypeHydraulic Disc

Brake Levers

SHIMANO XT M8100

Wheels
Rims

Front: DT SWISS M1900 SPLINE 25, DT370 CENTERLOCK HUB 110X15MM FRONT, Rear: DT SWISS M1900 SPLINE 25, DT370 CENTERLOCK HUB 148X12MM REAR

Tires

Front: MAXXIS REKON 3C/EXO/TR 2.4 WT FRONT, Rear: MAXXIS REKON RACE 2C/EXO/TR 2.25 REAR

Disc Rotors

180/160MM SM-RT70 ROTORS

Rider Notes
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Last updated February 21
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