
Velopedia Bicycle Archive
2007 Niner S.I.R. (X-9 kit)
Original specifications: SRAM X.9/mix drivetrain · 29" wheels.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- 2007
- Category
- Mountain
- Original MSRP
- $2,644.00
- Sizes
- S, M, L, XL
- Colors
- Tang, Hot Tamale, Godzilla Green, Kermit Green
- In this record
- 21 specifications · original MSRP
- Archive ID
- 96359
Original buildReynolds 853 chromoly · SRAM X.9/mix · 29" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Reynolds 853 chromoly |
| Fork | RockShox Reba SL, 80mm travel |
| Fork Material | Aluminum/steel/magnesium, single crown |
Drivetrain
| Component Group | SRAM X.9/mix |
|---|---|
| Shifters | SRAM X.9 Trigger |
| Front Derailleur | Shimano LX M-571 |
| Rear Derailleur | SRAM X.9 |
| Crankset | Race Face Evolve XC |
| Chain | SRAM PC-951 |
| Pedals | Not included |
Brakes
| Brakes | Avid Juicy 7 w/160 mm rotor brakes, Avid Juicy 7 levers |
|---|
Cockpit & Contact Points
| Headset | Cane Creek S-3 |
|---|---|
| Handlebar | Niner Flat Top 9 |
| Stem | Race Face Evolve XC |
| Saddle | WTB Niner Silverado w/ cromo rails |
| Seatpost | WTB TXC Alloy, 27.2mm diameter |
Wheels & Tires
| Hubs | Front: WTB LaserDisc Lite, Rear: WTB Laser Disc Lite |
|---|---|
| Rims | WTB SpeedDisc All Mountain |
| Front Tire | 29 x 2.10" WTB Nanoraptor Race |
| Wheel Size | 29" wheels |
Parts & serviceability
Find replacement parts
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.
Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2007 Niner S.I.R. (X-9 kit) · Mountain bike, front suspension · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RockShox Reba SL, 80mm travel · Aluminum/steel/magnesium, single crown
Suspension
Evaluate the suspension →Archived: Fork: RockShox Reba SL, 80mm travel
Drivetrain
Check drivetrain wear →Archived: Group: SRAM X.9/mix · Shifters: SRAM X.9 Trigger · Front derailleur: Shimano LX M-571 · Rear derailleur: SRAM X.9 · Crankset: Race Face Evolve XC · Chain: SRAM PC-951
Brakes
Inspect the brakes →Archived: Brakes: Avid Juicy 7 w/160 mm rotor brakes, Avid Juicy 7 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 29" wheels · Rims: WTB SpeedDisc All Mountain · Hubs: Front: WTB LaserDisc Lite, Rear: WTB Laser Disc Lite · Front tire: 29 x 2.10" WTB Nanoraptor Race
Controls and contact points
Archived: Headset: Cane Creek S-3 · Handlebar: Niner Flat Top 9 · Stem: Race Face Evolve XC · Seatpost: WTB TXC Alloy, 27.2mm diameter · Saddle: WTB Niner Silverado w/ cromo rails · Pedals: Not included
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
This archive record has limited published detail. Share what would help another rider understand how this model fit, rode and held up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.


