2023 Niner

AIR 9 RDO 4-STAR SHIMANO XT

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

$3,649$5,599
Weight21.9 lbs  
FrameCarbon
SuspensionHardtail, 100mm
ForkFox Factory 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 4-STAR SHIMANO XT

27 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full AIR model range

View Comparison
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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Price History
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, Press Fit

ColorsSand / Orange; Satin Carbon / Silver; Gloss Carbon / Silver; Ultraviolet / Grey

Fork

FOX 32 SC FLOAT FACTORY EVOL FIT4, W/ REMOTE L/O, KASHIMA COAT, 100MM, 110X15MM, 44MM OFFSET

Travel100mm

Spring TypeAir

Shock

N/A

Bottom Bracket

RACEFACE PF30

Headset

NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40

Stem

NINER RDO STEM, NINER GRAPHIC (XS/S/M- 80MM, L/XL- 90MM)

Handlebar

NINER FLAT TOP RDO, 780MM, NINER GRAPHIC

Saddle

NINER CUSTOM WITH CRN-TI RAILS, EMBOSSED NINER GRAPHIC

Seatpost

NINER RDO SEAT POST, 400MM, NINER GRAPHIC

TypeRigid

Grips

NINER GRRRIPS L/O SOFT COMPOUND

Groupset
Rear Derailleur

SHIMANO XT M8100 SGS 12SP

Front Derailleur

N/A

Crank

RACEFACE NEXT R CARBON 12SP, 32T (XS/S - 170MM, M/L/XL - 175MM)

Shifters

SHIMANO XT M8100 12SP I-SPEC EV

Cassette

SHIMANO XT M8100 12SP, 10-51T

Chain

SHIMANO XT M8100 W/ QUICKLINK

Brakes

SHIMANO XT M8100, METAL PAD W/ FIN

TypeHydraulic Disc

Brake Levers

SHIMANO XT M8100

Wheels
Rims

Front: DT Swiss XR 1700 SPLINE, aluminum clincher, 25mm internal, 110x15mm, centerlock, Rear: DT Swiss XR 1700 SPLINE, aluminum clincher, 25mm internal, 148x12mm, centerlock, ratchet system 36 SL

Tires

Front: SCHWALBE RACING RAY EVO SUPER TERRAIN TLE ADDIX SPEEDGRIP 2.35, Rear: SCHWALBE RACING RALPH EVO SUPER TERRAIN TLE ADDIX SPEED 2.35

Disc Rotors

180/160 MT800 ROTORS

Rider Notes
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Last updated June 1