Shipping
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Niner AIR 9 Mountain Bike - 2026, Medium
Item #BMT36423
Condition: Certified Pre-Owned
Fit Range: 5'8" - 6'1"
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Shipping & Assembly
Quick Assembly
- Bikes arrive tuned and mostly pre-assembled
- Video guide included
- Get riding in 15 minutes
Canadian Customers
Please note that any duties, taxes, or surcharges as required by Canadian customs and provincial authorities will be the buyer's responsibility. Shipping to Canadian addresses may take longer than expected due to customs.
Returns
30-Day Returns
If this bike isn't perfect for you, our Ride Guides will help you find the right one.
Blurred Lines: XC and Trail
Why We Love It
Master Mechanic’s Notes
- Light scratches on the front rim
Specifications
Details
| Original MSRP | $2,200.00 |
| Year | 2026 |
| Brand | Niner |
| Model | AIR 9 |
| Size | Medium |
| Frame Material | Aluminum |
| Drivetrain | SRAM, 1x12 spd |
| Weight | 27 lbs 14 oz |
Build
| Fork | SR Suntour Raidon 34 |
| Fork Travel | 120mm |
| Rear Shock Travel | N/A |
| Brakes | SRAM Level, Disc Brakes - Hydraulic |
| Shifters | SRAM SX Eagle, Mechanical |
| Rear Derailleur | SRAM SX Eagle |
| Bottom Bracket Shell | Press fit |
| Crankset | SRAM X1 Alloy, 32t, 170mm |
| Cassette | SRAM PG-1230, 11-50t |
| Chain | SRAM |
| Handlebar | Race Face Aeffect R Alloy, 780mm |
| Headset | Niner |
| Stem | Race Face Aeffect R Alloy, 35.0mm x 40mm, 0° |
| Seatpost | KS LEV Si, 30.9mm |
| Seatpost Travel | 150mm |
| Saddle | Niner w/ Cr-Mo Rails |
| Front Axle Spacing | 15x110mm Boost (Thru-Axle) |
| Rear Axle Spacing | 12x148mm Boost (Thru-Axle) |
| Wheelset | Niner Aluminum Tubeless Compatible, Niner |
| Front Tire | Schwalbe Racing Ray, 29" x 2.35" |
| Rear Tire | Schwalbe Racing Ralph, 29" x 2.35" |
| Tire Type | Tubeless |
| Tubeless Compatibility | Wheels are tubeless compatible but ship with tubes installed |
| Pedals | Sold separately |
Geometry
| Fit Range |
5'8" - 6'1"
|
| A. Effective Top Tube | 603 mm |
| B. Seat Tube | 419 mm |
| C. Seat Tube Angle | 74° |
| D. Head Tube Angle | 68° |
| E. Head Tube | 110 mm |
| F. Stack | 620 mm |
| G. Reach | 425 mm |
| H. Standover Height | 748 mm |
| I. Saddle Height Range | N/A |
Inspected. Tested. Trusted.
What is CPO?
CPO bikes are gently ridden bikes that have been meticulously inspected, restored and serviced. Every CPO bike is cleaned, tuned and tested in our top-of-the-line Colorado headquarters. Road, mountain, ebike or gravel, TPC services each bike over 8 phases and multiple points of inspection.
Bikes are meant
to be used.
Need Advice?
Ask a Ride Guide
Our Ride Guide team is based in the U.S. and staffed with former bike mechanics, bike shop managers, and other certified bike nerds. Get expert advice on calibrating fit, deciding between models, or chat through any other questions.