Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 11850
| Model year | 2006 |
|---|---|
| Brand | Specialized |
| Model | Hotrock A1 FS |
| Bicycle type | Juvenile mountain bike, suspension |
| Archive ID | 11850 |
| Original MSRP | $310.00 |
| Sizes | 11.5", 13.5" |
| Frame construction | TIG-welded |
|---|---|
| Frame material | A1 Premium Aluminum |
| Fork | RST Capa T6A, 51mm |
| Fork material | Steel/aluminum, single crown |
| Rear shock | N/A |
| Component group | Juvenile Mix |
|---|---|
| Shifters | Shimano RS-41 "Revo" twist shifters, 3/7speed |
| Front derailleur | Shimano Acera, 31.8 clamp, bottom pull |
| Rear derailleur | Shimano Altus, 7-speed |
| Crankset | Truvativ ISO-Flow w/alloy outer ring, 22t/32t heat treated Cro-Mo/42t 7075 alloy teeth |
| Bottom bracket | TruVativ LE |
| Rear cogs | 7-speed, 14 - 28 teeth |
| Chain | Shimano CN-IG31 |
| Pedals | Dual sided, composite body, steel cage, toe clip compatible |
| Brakes | Tektro "V", linear spring, stainless steel pipe brakes, Tektro junior "V", alloy, linear pull compatible levers |
|---|
| Headset | 1 1/8" threadless |
|---|---|
| Handlebar | Alloy, flat, 6 degree sweep, 540mm width |
| Handlebar extensions | Not included |
| Stem | Alloy A-Head |
| Saddle | Body Geometry Kids MTB |
| Seatpost | Alloy, micro adjust, 27.2mm diameter |
| Hubs | Front: Joy-Tech, alloy hub and QR, Rear: Joy-Tech alloy hub and QR freewheel type |
|---|---|
| Rims | SUN CR-18, 32-hole |
| Spokes | Stainless steel, 15ga. (1.8mm) straight gauge |
| Front tire | 24 x 1.80" Specialized Roll X |
| Wheel size | 24" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.