Velopedia Bicycle Archive
2006 Norco 125
Original specifications: Shimano Sora · 8-speed · mechanical rear derailleur · 26" wheels.
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At a glance
- Model year
- 2006
- Category
- Mountain
- Sizes
- S/M, M/L
- Colors
- White
- In this record
- 23 specifications · archived image
- Archive ID
- 11499
Model history 5 other years
Original buildAluminum · Mountain Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Aluminum |
| Fork | Marzocchi Dirt Jam Pro, 100mm travel |
| Fork Material | Single |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Alivio |
| Rear Derailleur | Shimano Sora SS |
| Crankset | Truvativ Hussefelt, 36 teeth |
| Rear Cogs | 8-speed, 13 - 26 teeth |
| Chain | KMC Z72 |
| Pedals | Wellgo flat |
Brakes
| Brakes | Hayes MX-2 brakes, Hayes levers |
|---|
Cockpit & Contact Points
| Headset | FSA 872 |
|---|---|
| Handlebar | Truvativ Hussefelt |
| Handlebar Extensions | Not included |
| Stem | Truvativ Hussefelt |
| Saddle | Norco Dirt Jump |
| Seatpost | Aluminum micro-adjust, 30.0mm diameter |
Wheels & Tires
| Hubs | Front: KT QR-20, Rear: DC-22 |
|---|---|
| Rims | Sun MTX, 36-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Front Tire | 26 x 2.35" DMR Moto Digger |
| Wheel Size | 26" wheels |
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

SRAM PC-850 Chain One Color, 8 Speed
8 Speed
Replacement option · verify fit
More parts (1)
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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: 2006 Norco 125 · Mountain bike, front suspension · Published sizes: S/M, M/L
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Marzocchi Dirt Jam Pro, 100mm travel · Single
Suspension
Evaluate the suspension →Archived: Fork: Marzocchi Dirt Jam Pro, 100mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Alivio · Rear derailleur: Shimano Sora SS · Crankset: Truvativ Hussefelt, 36 teeth · Rear cogs: 8-speed, 13 - 26 teeth · Chain: KMC Z72
Brakes
Inspect the brakes →Archived: Brakes: Hayes MX-2 brakes, Hayes levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Sun MTX, 36-hole · Hubs: Front: KT QR-20, Rear: DC-22 · Front tire: 26 x 2.35" DMR Moto Digger
Controls and contact points
Archived: Headset: FSA 872 · Handlebar: Truvativ Hussefelt · Stem: Truvativ Hussefelt · Seatpost: Aluminum micro-adjust, 30.0mm diameter · Saddle: Norco Dirt Jump · Pedals: Wellgo flat
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.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





