Shipping
Our RideFast shipping means this bike gets to you quickly and securely. Domestic US ground rates are a flat $135 for regular bikes or $150 for e-bikes.
Sorry, this Niner SIR 9 2-Star Mountain Bike - 2021, Medium has been sold.
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Niner SIR 9 2-Star Mountain Bike - 2021, Medium
Item #BMT27268
Condition: Certified Pre-Owned
Fit Range: 5'8" - 6'0"
Shipping & Assembly
Quick Assembly
- Bikes arrive tuned and mostly pre-assembled
- Torque tool & 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.
Our Guarantee
Guaranteed Buyback
We'll happily purchase this bike back from you when you're ready for your next upgrade. A TPC buyback offer is guaranteed for 18 month on all qualifying bikes.
Returns
30-Day Returns
If this bike isn't perfect for you, our Ride Guides will help you find the right one.
Specifications
Details
| Year | 2021 |
| Brand | Niner |
| Model | SIR 9 2-Star |
| Size | Medium |
| Frame Material | Steel |
| Drivetrain | SRAM, 1x12 spd |
| Weight | 31 lbs 4 oz |
Build
| Fork | Marzocchi Bomber Z2 |
| Fork Travel | 120mm |
| Rear Shock | N/A |
| Brakes | SRAM Level, Disc Brakes - Hydraulic |
| Shifters | SRAM SX Eagle, Mechanical |
| Front Derailleur | N/A |
| Rear Derailleur | SRAM SX Eagle |
| Bottom Bracket Shell | Press fit |
| Crankset | SRAM X1 Eagle, 32t, 175 mm |
| Cassette | SRAM NX Eagle PG-1210, 11-50t |
| Chain | SRAM NX Eagle |
| Handlebar | Race Face Aeffect R alloy, 780 mm |
| Headset | Niner internal |
| Stem | Race Face Aeffect R alloy, 35.0 mm x 40mm, 0° |
| Seatpost | FOX Transfer Perfomance Series Dropper, 30.9mm |
| Seatpost Travel | 150mm |
| Saddle | Niner Custom |
| Front Axle Spacing | 15x110mm Boost (Thru-Axle) |
| Rear Axle Spacing | 12x148mm Boost (Thru-Axle) |
| Wheelset | Niner Disc Aluminum Tubeless Compatible, Niner |
| Front Tire | Schwalbe Nobby Nic TL-Easy, 29" x 2.6" |
| Rear Tire | Schwalbe Nobby Nic TL-Easy, 29" x 2.4" |
| Tire Type | Tubeless |
| Tubeless Compatibility | Wheels are tubeless compatible but ships with tubes installed |
| Pedals | Sold separately |
Geometry
| Fit Range |
5'8" - 6'0"
|
| A. Effective Top Tube | 603 mm |
| B. Seat Tube | 421 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 | 739 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 141 points of inspection.
Bikes are meant
to be used.