Specialized HOTROCK 20 BOYS COASTER 2009 VS Scott CONTESSA JR 20 2011 specs comparison
Specialized Hotrock 20 Boys Coaster
General Infos| Model | Hotrock 20 Boys Coaster |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Silver and Blue -Gloss Black and Green |
| 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 | Alloy Rear Levers Tektro Linear-pull and coaster Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech Steel Nutted Coaster Front: Joy Tech Steel Nutted |
| Rims manufacturer | 36-hole Alloy |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| 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 | Loose Ball |
| Crankset parts and sizes | 36 Teeth Heat Treated Hi-Ten |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Specialized Hotrock 20 Boys Coaster Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown A1 Premium Aluminum and Hi-Ten |
| Fork type | Not Available |
Other Specs of Specialized Hotrock 20 Boys Coaster
| Component group sets | Juvenile Mix |
| Pedals details | Composite |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Scott Contessa Jr 20
General Infos| Model | Contessa Jr 20 |
| Manufacturer | Scott |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Light green and white |
| Sizes |
- 20 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1.75 (inches) K-831 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro JL510-TS Levers Lee-Chi 209 P Brakes |
| Hubs for disc brakes | Rear: JY-434 Nutted Front: JY-433 Nutted |
| Rims manufacturer | 32-hole Alex C-1000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. UCP |
Frame and Body Specs
| Frame materials | 6061 Alloy c |
| Frame type | Alloy |
| Handlebar construction | Junior Uprise |
| Handlebar extender | Optional |
| Handlebar stem details | HL-TDS-C41-8 |
| Headset size | VP-A71 |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TH M1 |
| Crankset parts and sizes | 36T Teeth Lasco Single 140 (millimeters) |
| Gear shift levers | Shimano SL-RS35-6 Revo Shifter |
| Rear gear set | 14 - 28 Teeth 6-speed |
Scott Contessa Jr 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano RD-FT30 |
| Fork material | Not Available |
| Fork type | 50 (millimeters) Travel RST Capa T20 |
Other Specs of Scott Contessa Jr 20
| Component group sets | Mountain Mix |
| Pedals details | VP-580 |
| Rear shock absorber | Not Available |
| Saddle seat | Sct-22 Junior |
| Seat post extension | 26.8 (millimeters) Diameter Scott SP-252 |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Boys Coaster bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Boys Coaster Youth here
- Get your Scott Contessa Jr 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scott Contessa Jr 20 Youth here