Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 11847
| Model year | 2006 |
|---|---|
| Brand | Specialized |
| Model | Hotrock 20 Coaster |
| Bicycle type | Juvenile mountain bike, non-suspension |
| Archive ID | 11847 |
| Original MSRP | $170.00 |
| Sizes | 20" |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Hi-tensile steel |
| Fork | Hotrock Hi-Ten |
| Fork material | Steel, unicrown crown |
| Rear shock | N/A |
| Component group | Juvenile Mix |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | 1-piece steel, 36 teeth |
| Bottom bracket | Loose ball |
| Rear cogs | 1-speed, 18 teeth |
| Chain | KMC Z 410 |
| Pedals | Junior resin platform with reflectors |
| Brakes | Coaster brake rear |
|---|
| Headset | 1 1/8" threadless |
|---|---|
| Handlebar | Hi-Ten 2pc |
| Handlebar extensions | Not included |
| Stem | Alloy A-Head |
| Saddle | Hotrock ATB |
| Seatpost | Hi Ten, 25.4mm diameter |
| Hubs | Front: Joy-Tech, steel nutted axle, Rear: Joy-Tech, coaster, steel nutted axle |
|---|---|
| Rims | Alex, 36-hole |
| Spokes | UCP, 14ga. (2.0mm) straight gauge |
| Front tire | 20 x 2.125" Specialized Roller |
| Wheel size | 20" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.