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Sorry, this Niner SIR 9 5-Star 27.5+ X-Large Bike - 2017 has been sold.
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Niner SIR 9 5-Star 27.5+ X-Large Bike - 2017
Item #BMT11576
Condition: Pre-Owned
Fit Range: 6'3" - 6'7"
Shipping & Assembly
Shipping
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 | 2017 |
Brand | Niner |
Model | Sir 9 5 Star |
Size | X-Large |
Frame Material | Steel |
Drivetrain | SRAM, 1x12 spd |
Weight | 29 lbs 6 oz |
Build
Fork | Fox Factory 34 |
Fork Travel | 120mm |
Rear Shock Travel | N/A |
Brakes | SRAM Guide RSC, Disc Brakes - Hydraulic |
Shifters | SRAM Eagle X01, Mechanical |
Front Derailleur | N/A |
Rear Derailleur | SRAM Eagle X01 |
Crankset | SRAM Eagle X01, 34t, 175 mm |
Cassette | SRAM Eagle X01, 12spd, 10-50t |
Chain | SRAM Eagle X01 |
Handlebar | Race Face Next Carbon, 760 mm |
Headset | Niner |
Stem | Race Face Aeffect, 35.0 mm x 40mm, 0° |
Seatpost | KS Lev Integra, 30.9mm |
Seatpost Travel | 150mm |
Saddle | Niner |
Front Axle Spacing | 15x110mm Boost |
Rear Axle Spacing | 12x148mm Boost |
Wheelset | Stan's No Tubes ZTR Baron S1, Stan's Neo |
Front Tire | Maxxis Rekon +, 27.5" x 2.8" |
Rear Tire | Maxxis Rekon +, 27.5" x 2.8" |
Tire Type | Tubeless |
Tubeless Compatibility | NA |
Geometry

Fit Range |
6'3" - 6'7"
|
A. Effective Top Tube | 652 mm |
B. Seat Tube | 533 mm |
C. Seat Tube Angle | 74° |
D. Head Tube Angle | 68° |
E. Head Tube | 145 mm |
F. Stack | 652 mm |
G. Reach | 465 mm |
H. Standover Height | 830 mm |
Niner SIR 9 5-Star 27.5+ X-Large Bike - 2017
Item #BMT11576
Condition: Pre-Owned
Fit Range: 6'3" - 6'7"
Shipping & Assembly
Shipping
Your bike ships fast for a $94.99 flat rate.
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.
Bikes are meant
to be used.
Sizing Guide
The chart below provides a general suggested range of heights and is not exact. Sizing may vary across brands.
The tailoring of any bike is an important step in the long term enjoyment of riding and it can take time to adjust to the fit of a new bike. All contact points (pedals, shoes, and saddle) can be changed and altered for personal preference, performance, and comfort.
Measured Frame Size | Frame Size | Min Rider Height | Max Rider Height |
---|---|---|---|
13 in | XS | 4' 10" | 5' 2" |
15 in | Small | 5' 2" | 5' 6" |
17 in | Medium | 5' 6" | 5' 10" |
19 in | Large | 5' 10" | 6' 2" |
21 in | XL | 6' 2" | 6' 5" |
Contact our Ride Guides if you have any questions about the fit of your new bike.
866.401.9636 - Contact the Ride Guides