Velopedia Bicycle Archive
2008 Specialized Hotrock 24 7-Speed
Original specifications: Mountain Mix drivetrain · 24" wheels.
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At a glance
- Model year
- 2008
- Category
- Kids
- Original MSRP
- $290.00
- Sizes
- 24" wheel
- Colors
- Dream/black, Blue/Black, White, Orange
- In this record
- 25 specifications · archived image · original MSRP
- Archive ID
- 24030
Original buildA1 premium aluminum · Mountain Mix · 24" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | A1 premium aluminum |
| Fork | RST Capa C24, 50mm travel |
| Fork Material | Steel/aluminum, single crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano RS-31 Revo Twist |
| Rear Derailleur | Shimano RD-FT30 |
| Crankset | Sugino, 36 teeth |
| Bottom Bracket | VP, 128mm spindle |
| BB Shell Width | 68mm |
| Rear Cogs | 7-speed, 14 - 28 teeth |
| Chain | KMC Z7, 1/2 x 3/32" |
| Pedals | Composite platform |
Brakes
| Brakes | Promax alloy "V" brakes, Tektro Jr. levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless |
|---|---|
| Handlebar | Hi-tensile steel |
| Handlebar Extensions | Not included |
| Stem | Alloy |
| Saddle | Specialized Kids |
| Seatpost | Alloy micro-adjust, 27.2mm diameter |
Wheels & Tires
| Hubs | Forged alloy |
|---|---|
| Rims | Alex C-1000, 32-hole |
| Spokes | UCP, 14ga. (2.0mm) straight gauge |
| Front Tire | Front: 24 x 2.125" Specialized Roller wire, Rear: 24 x 21.125" Specialized Roller wire |
| Wheel Size | 24" 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
More parts (1)

Cervelo SP19 Carbon Seatpost Black, 27.2mm, 0mm offset, 350mm long
27.2mm, 0mm offset, 350mm long
Replacement option · verify fit
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. Velopedia may also earn from qualifying retailer 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: 2008 Specialized Hotrock 24 7-Speed · Juvenile mountain bike, suspension · Published sizes: 24" wheel
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RST Capa C24, 50mm travel · Steel/aluminum, single crown
Suspension
Evaluate the suspension →Archived: Fork: RST Capa C24, 50mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano RS-31 Revo Twist · Rear derailleur: Shimano RD-FT30 · Crankset: Sugino, 36 teeth · Bottom bracket: VP, 128mm spindle · Rear cogs: 7-speed, 14 - 28 teeth · Chain: KMC Z7, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Promax alloy "V" brakes, Tektro Jr. levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 24" wheels · Rims: Alex C-1000, 32-hole · Hubs: Forged alloy · Front tire: Front: 24 x 2.125" Specialized Roller wire, Rear: 24 x 21.125" Specialized Roller wire
Controls and contact points
Archived: Headset: 1 1/8" threadless · Handlebar: Hi-tensile steel · Stem: Alloy · Seatpost: Alloy micro-adjust, 27.2mm diameter · Saddle: Specialized Kids · Pedals: Composite platform
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.




