Specialized HOTROCK 20 BOYS COASTER 2009 VS Scott COMP JR 1996 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 Comp Jr
General Infos| Model | Comp Jr |
| Manufacturer | Scott |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
-Yellow and magenta |
| Sizes |
- Boys 11 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.95 (inches) Kenda K-831 Front: 20 X 1.75 (inches) Kenda K-831 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Chang Star 852AT Cantilever |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 36-hole Alloy |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded Steel |
| Handlebar construction | Not Available |
| Handlebar extender | Not Available |
| Handlebar stem details | Not Available |
| Headset size | 1 (inches) Victor VP-H83 Sealed |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Chin Haur CH-46 |
| Crankset parts and sizes | 36/42 Teeth |
| Gear shift levers | Grip Shift Quickshift |
| Rear gear set | 14 - 28 Teeth 5-speed |
Scott Comp Jr Fork System Data
| Derailleur (Front) | Bottom-pull Shimano Tourney TY-15 |
| Derailleur (Rear) | Shimano Tourney TY-25 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Scott |
Other Specs of Scott Comp Jr
| Component group sets | Shimano Tourney TY-15 |
| Pedals details | Victor VP-260N |
| Rear shock absorber | Not Available |
| Saddle seat | Scott Junior |
| Seat post extension | 25.6 (millimeters) Diameter |
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 Comp Jr manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scott Comp Jr Youth here