Specialized HOTROCK 20 COASTER 1-SPEED 2005 VS Scott CONTESSA JR 12 2007 specs comparison
Specialized Hotrock 20 Coaster 1-Speed
General Infos| Model | Hotrock 20 Coaster 1-Speed |
| Manufacturer | Specialized |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Lilac - Silver - Yellow -Blue |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Specialized Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Junior Rear Levers Tektro Linear-pull and coaster Brake Rear Brakes |
| Hubs for disc brakes | Rear: Coaster Brake Front: Loose Ball |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge UCP |
Frame and Body Specs
| Frame materials | Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hi-tensile 2-piece |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 36 Teeth One-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Specialized Hotrock 20 Coaster 1-Speed Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Steel |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 20 Coaster 1-Speed
| Component group sets | Juvenile Mix |
| Pedals details | Composite BMX |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Jumping |
| Seat post extension | Steel |
Scott Contessa JR 12
General Infos| Model | Contessa JR 12 |
| Manufacturer | Scott |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 12 X 2.25 (inches) CST C-714 |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Tektro 317-ACL Levers Tektro 984A Brakes |
| Hubs for disc brakes | Rear: KT-305R Front: KT-103F |
| Rims manufacturer | 16-hole BMX Type |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | 6061 Alloy c |
| Frame type | TIG-welded |
| Handlebar construction | Junior Uprise |
| Handlebar extender | Optional |
| Handlebar stem details | HL and Y1 |
| Headset size | VP 755 |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ru Chi |
| Crankset parts and sizes | Chuan Wei |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Scott Contessa JR 12 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum |
| Fork type | BMX |
Other Specs of Scott Contessa JR 12
| Component group sets | Juvenile Mix |
| Pedals details | VP 260 BMX-Type |
| Rear shock absorber | Not Available |
| Saddle seat | SCT-9 Junior Version |
| Seat post extension | HL SP-102 |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Coaster 1-Speed bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Coaster 1-Speed Youth here
- Get your Scott Contessa JR 12 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scott Contessa JR 12 Youth here