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2021 Large SKU: BMT22832

Niner Air 9 3-Star Shimano SLX Singlespeed Mountain Bike - 2021, Large

Recommended Rider Height: 5'11" - 6'3" Size Guide
Regular price

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Master Mechanic's Notes:
- Light scratches on both rims.

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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 2021
Brand Niner
Model Air 9 3-Star Shimano SLX Singlespeed
Size Large
Frame Material Aluminum
Drivetrain , 1x1 spd
Weight 26 lbs 10 oz
Fork Marzocchi Series 34 Bomber Z2 Rail
Fork Travel 120mm
Rear Shock Travel N/A
Brakes Shimano Deore XT M8100, Disc - Hydraulic
Bottom Bracket Shell Press fit
Crankset Shimano SLX M7000, 32t, 175mm
Cassette Niner Cogalicious , 20t
Chain SRAM
Handlebar Race Face Aeffect Alloy, 800mm
Headset Integrated
Stem Race Face Aeffect Alloy, 35.0mm x 40mm, 0°
Seatpost Niner Alloy, 30.9mm
Saddle Fabric Scoop Shallow
Front Axle Spacing 15x110mm (Boost)
Rear Axle Spacing 12x148mm Boost
Wheelset Niner Disc Aluminum Tubeless Compatible , Niner
Front Tire Schwalbe Nobby Nic TL Easy EVO, 29" x 2.6"
Rear Tire Schwalbe Nobby Nic TL Easy EVO, 29" x 2.35"
Tire Type Tubeless
Tubeless Compatibility Bike ships tubeless
Charger Included N/A


Recommended Rider Height 5'11" - 6'3"
a. Effective Top Tube 627 mm
b. Seat Tube 483 mm
c. Seat Tube Angle 74°
d. Head Tube Angle 68°
e. Head Tube 125 mm
f. Stack 634 mm
g. Reach 445 mm
h. Standover Height 800 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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