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2017 Small SKU: BMT21436

Niner Air 9 RDO 3-Star Mountain Bike - 2017, Small

Recommended Rider Height: 5'2" - 5'6" Size Guide
Regular price

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shipping icon $94.99 RideFast Shipping

Master Mechanic's Notes:
- New ODI Elite Motion Lock-On grips have soft pro compound for excellent shock absorption on the trails.
- New Race Face bottom bracket for buttery smooth pedaling.
- New FSA chain & SunRace cassette for miles of smooth, quiet, and efficient shifting.
- New rear disc brake rotor & pads to brake with confidence.
- Front & rear brake bleeds, firming up lever pull & creating consistent grab.
- New shifter cable & housing, pro-tuned to optimize crisp shifting.

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TPC Guarantee

This bike passed a 141-point inspection and received a full pro-tune by our Master Mechanics in our Certified Pre-Owned process. CPO bikes are pristine and ready to ride!

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Bikes ship in our custom RideFast box, and assembly is incredibly simple. Most novice riders can assemble their bike in 5 minutes or less. The tools you need to assemble are also included.

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Year 2017
Brand Niner
Model Air 9 RDO 3-Star
Size Small
Frame Material Carbon Fiber
Drivetrain Shimano, 1x11 spd
Weight 24 lbs 1 oz
Fork RockShox Reba RL
Fork Travel 100mm
Brakes Shimano XT M8000, Disc - Hydraulic
Shifters Shimano XT M8000, Mechanical
Rear Derailleur Shimano XT M8000
Bottom Bracket Shell Press fit
Crankset Race Face Turbine Alloy w/ Wolf Tooth Drop-Stop Chainring, 30t, 170mm
Cassette SunRace , 11-46t
Chain FSA
Handlebar Niner RDO Carbon Flat , 780mm
Headset Niner Integrated
Stem Niner Alloy, 31.8mm x 80mm, 8°
Seatpost Niner Carbon , 27.2mm
Saddle Niner Custom
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Wheelset Stan's NoTubes ZTR Arch MK3 Alloy, Stan's NEO
Front Tire Maxxis High Roller II EXO TR, 29" x 2.3"
Rear Tire Maxxis High Roller II EXO TR, 29" x 2.3"
Tire Type Tubeless
Tubeless Compatibility Wheels are tubeless compatible but ships with tubes installed


Recommended Rider Height 5'2" - 5'6"
a. Effective Top Tube 590 mm
b. Seat Tube 394 mm
c. Seat Tube Angle 73°
d. Head Tube Angle 70°
e. Head Tube 100 mm
f. Stack 607 mm
g. Reach 406 mm
h. Standover Height 724 mm
i. Saddle Height Range N/A

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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