Velopedia Bicycle Archive
2008 Specialized Hotrock A1 FS
Original specifications: Mountain Mix drivetrain · 24" wheels.
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At a glance
- Model year
- 2008
- Category
- Kids
- Original MSRP
- $370.00
- Sizes
- 11", 13"
- Colors
- Black, White
- In this record
- 26 specifications · archived image · original MSRP
- Archive ID
- 24028
Model history 4 other years
Original buildA1 premium aluminum · Mountain Mix · 24" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | A1 premium aluminum |
| Fork | RST Capa T24ML, 50mm travel |
| Fork Material | Steel/aluminum, single crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | SRAM 3.0 Comp Grip Shift |
| Front Derailleur | Shimano Altus FD-M310-6, top swing |
| Rear Derailleur | SRAM 3.0 |
| Crankset | Truvativ ISO-Flow 3.0, 22/32/42 teeth |
| Bottom Bracket | TH cartridge, 113mm spindle |
| BB Shell Width | 68mm |
| Rear Cogs | 7-speed, 14 - 28 teeth |
| Chain | KMC Z7, 1/2 x 3/32" |
| Pedals | Steel cage/composite body |
Brakes
| Brakes | Promax alloy "V" brakes, Tektro Jr. levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless |
|---|---|
| Handlebar | Forged alloy |
| Handlebar Extensions | Not included |
| Stem | Alloy |
| Saddle | Specialized BG Kids MTB w/kevlar sides |
| Seatpost | Alloy micro-adjust, 27.2mm diameter |
Wheels & Tires
| Hubs | Specialized forged alloy |
|---|---|
| Rims | Specialized/Alex HRXC 24, 32-hole |
| Spokes | Stainless, 15ga. (1.8mm) straight gauge |
| Front Tire | 24 x 1.8" Specialized Fast Track 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 (2)

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 A1 FS · Juvenile mountain bike, suspension · Published sizes: 11", 13"
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: RST Capa T24ML, 50mm travel · Steel/aluminum, single crown
Suspension
Evaluate the suspension →Archived: Fork: RST Capa T24ML, 50mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: SRAM 3.0 Comp Grip Shift · Front derailleur: Shimano Altus FD-M310-6, top swing · Rear derailleur: SRAM 3.0 · Crankset: Truvativ ISO-Flow 3.0, 22/32/42 teeth · Bottom bracket: TH cartridge, 113mm 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: Specialized/Alex HRXC 24, 32-hole · Hubs: Specialized forged alloy · Front tire: 24 x 1.8" Specialized Fast Track wire
Controls and contact points
Archived: Headset: 1 1/8" threadless · Handlebar: Forged alloy · Stem: Alloy · Seatpost: Alloy micro-adjust, 27.2mm diameter · Saddle: Specialized BG Kids MTB w/kevlar sides · Pedals: Steel cage/composite body
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.



