Specialized HOTROCK 20 GIRLS COASTER 2009 VS Trek JET 20 2010 specs comparison
Specialized Hotrock 20 Girls Coaster
General Infos| Model | Hotrock 20 Girls Coaster |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Silver and White -Gloss Light Purple and Dark Purple |
| 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 Girls Coaster Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Not Available |
Other Specs of Specialized Hotrock 20 Girls 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 |
Trek Jet 20
General Infos| Model | Jet 20 |
| Manufacturer | Trek |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Black and Pearl White -Black and Orange |
| Sizes |
- Boy's 6-9 yrs old |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 Cross Knobby |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dialed Alloy Rear Levers Coast Brake and Alloy Linear Pull Rear Brakes |
| Hubs for disc brakes | Rear: Coaster Brake Front: Steel |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha White Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy and Steel 4-bolt |
| Headset size | Adjustable Ball Bearing |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 32 Teeth Dialed 4.5 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 19 Teeth 1-speed |
Trek Jet 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High Tensile Steel |
| Fork type | Trek |
Other Specs of Trek Jet 20
| Component group sets | Juvenile Mix |
| Pedals details | Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Dialed 20 (inches) |
| Seat post extension | Steel |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Girls Coaster bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Girls Coaster Youth here
- Get your Trek Jet 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Jet 20 Youth here
