Bicycle Archive · Specification reportVelopedia Archive ID 11851
| Model year | 2006 |
|---|---|
| Brand | Specialized |
| Model | Hotrock A1 FSR |
| Bicycle type | Mountain bike, front & rear suspension |
| Archive ID | 11851 |
| Original MSRP | $350.00 |
| Sizes | 11.5" |
| Frame construction | TIG-welded |
|---|---|
| Frame material | A1 Premium Aluminum |
| Fork | RST Capa T5, 51mm |
| Fork material | Steel/aluminum, single crown |
| Rear shock | ToughShock Coil over, 150x31mm, 3" travel |
| 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 |
| Crankset | Truvativ “ISO Flow”, alloy 160mm with replaceable chainrings and capless bo, Truvativ 42t 7075alloy, heat treated Cr-Mo 32t and 22t teeth |
| Bottom bracket | TruVativ LE, 113mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 7-speed, 14 - 28 teeth |
| Chain | Shimano |
| Pedals | Steel cage, resin body(toe clip compatible) with reflectors |
| Brakes | Tektro, alloy linear pull, stainless steel pipe, 60mm all weather pads brakes, Tektro junior “V”, alloy, linear pull compatible levers |
|---|
| Headset | 1 1/8" threadless, sealed loose ball |
|---|---|
| Handlebar | Alloy, flat, 6 degree sweep, 540mm width |
| Handlebar extensions | Not included |
| Stem | A-Head alloy, 15 degree rise, 75mm length |
| Saddle | Specialized Mini Mountain |
| Seatpost | Alloy, micro adjust, 27.2mm diameter |
| Hubs | Front: Alloy, double sealed with alloy QR, Rear: Alloy, double sealed with alloy QR, freewheel type |
|---|---|
| Rims | Alex, 32-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke nipples | Brass nipples |
| 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 August 27, 2026.