Specialized HOTROCK 12 BOYS 2009 VS Mirraco APPRENTICE 20 2009 specs comparison
Specialized Hotrock 12 Boys
General Infos| Model | Hotrock 12 Boys |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Red -Gloss Green |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 12 X 2.125 (inches) Specialized |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Rear |
| Hubs for disc brakes | Rear: Joy Tech Steel Nutted Coaster Front: Joy Tech Steel Nutted |
| Rims manufacturer | 16-hole Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. UCP |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Quill |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 28 Teeth Heat Treated Hi-Ten |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Specialized Hotrock 12 Boys Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown A1 Premium Aluminum and Hi-Ten |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 12 Boys
| Component group sets | Juvenile Mix |
| Pedals details | Composite |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Kid's |
| Seat post extension | 22.2 (millimeters) Diameter Integrated Steel Post |
Mirraco Apprentice 20
General Infos| Model | Apprentice 20 |
| Manufacturer | Mirraco |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Lightening Red - Metallic Gray -Deep Blue |
| Sizes |
- 19 TT (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.95 (inches) CST Dirt Front: 20 X 2.125 (inches) CST Dirt |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289 Rear Levers Tektro Alloy U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Coaster Brake Front: 3/8 (inches) Axle |
| Rims manufacturer | 36-hole Alex C-303 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | 2-tube Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | 2-piece 6.5 (inches) |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) VP A-88 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | American |
| Crankset parts and sizes | 38 Teeth 1-pc Hi-ten |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Mirraco Apprentice 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Cr-mo Blades and Hi-Ten Steerer |
| Fork type | Not Available |
Other Specs of Mirraco Apprentice 20
| Component group sets | BMX |
| Pedals details | Wellgo Resin |
| Rear shock absorber | Not Available |
| Saddle seat | M3 Lite 8 (millimeters) Rails |
| Seat post extension | 25.4 (millimeters) Diameter Alloy |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 12 Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 12 Boys Youth here
- Get your Mirraco Apprentice 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Mirraco Apprentice 20 Youth here
