Velopedia Bicycle Archive
2006 Specialized HotRock 12
Original specifications: Juvenile Mix drivetrain · 12" wheels.
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At a glance
- Model year
- 2006
- Category
- Kids
- Original MSRP
- $140.00
- In this record
- 21 specifications · archived image · original MSRP
- Archive ID
- 94614
Model history 1 other year
Original buildSpecialized A1 Premium AL · Juvenile Mix · 12" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | Specialized A1 Premium AL |
| Fork | Specialized |
| Fork Material | Aluminum, unicrown crown |
Drivetrain
| Component Group | Juvenile Mix |
|---|---|
| Crankset | 1-piece steel, 28 teeth |
| Bottom Bracket | Loose ball |
| Rear Cogs | 1-speed, 18 teeth |
| Chain | KMC Z410 |
| Pedals | Resin platform |
Brakes
| Brakes | Coaster brake rear |
|---|
Cockpit & Contact Points
| Headset | 1" threaded |
|---|---|
| Handlebar | Aluminum |
| Stem | Aluminum |
| Saddle | Hotrock Juvi |
| Seatpost | Steel, 22.2mm (7/8 inch) diameter |
Wheels & Tires
| Hubs | Jt |
|---|---|
| Rims | Alex, 16-hole |
| Spokes | UCP, 14ga. (2.0mm) straight gauge |
| Front Tire | 12 x 2.125" Specialized Spanky |
| Wheel Size | 12" wheels |
Parts & serviceability
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Bike-specific inspection checklist 18 checks based on 5 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 Specialized HotRock 12 · Juvenile
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Specialized · Aluminum, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: Juvenile Mix · Crankset: 1-piece steel, 28 teeth · Bottom bracket: Loose ball · Rear cogs: 1-speed, 18 teeth · Chain: KMC Z410
Brakes
Inspect the brakes →Archived: Brakes: Coaster brake rear
Wheels and tires
Check wheels and tires →Archived: Wheel size: 12" wheels · Rims: Alex, 16-hole · Hubs: JT · Front tire: 12 x 2.125" Specialized Spanky
Controls and contact points
Archived: Headset: 1" threaded · Handlebar: Aluminum · Stem: Aluminum · Seatpost: Steel, 22.2mm (7/8 inch) diameter · Saddle: Hotrock Juvi · Pedals: Resin platform
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




