Specialized HOTROCK 20 COASTER BOYS 2004 VS Scorpio AT-J20 1999 specs comparison
Specialized Hotrock 20 Coaster Boys
General Infos| Model | Hotrock 20 Coaster Boys |
| Manufacturer | Specialized |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
- Yellow and Black -Silver |
| Sizes |
- Boys 9.5 (inches) - girls 9.5 (inches) |
| Sizes |
- Boys 9.5 (inches) - girls 9.5 (inches) |
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 | Linear-pull Rear Levers Coaster and aluminum Linear-pull Rear Brakes |
| Hubs for disc brakes | Nutted Aluminum |
| Rims manufacturer | 36-hole Specialized Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Steel |
| Headset size | 1 1/8 (inches) Threadless Sealed Mechanism |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed |
| Crankset parts and sizes | Steel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
Specialized Hotrock 20 Coaster Boys Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 20 Coaster Boys
| Component group sets | Mountain Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Expert |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum |
Scorpio AT-J20
General Infos| Model | AT-J20 |
| Manufacturer | Scorpio |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Monarch Blue -Honey Dew |
| Sizes |
- Boys 9.5 (inches) - girls 9.5 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.10 (inches) Kenda K-850 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | APSE 303AP Levers APSE Cantilever Brakes |
| Hubs for disc brakes | Nutted Joy Tech Steel |
| Rims manufacturer | 36-hole Weinmann 119 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Shuhn Lih Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hsin Lung Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Hsin Lung Steel |
| Headset size | 1 (inches) YST Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Grip Shift MRX-170 Rear |
| Rear gear set | 13 - 28 Teeth 7-speed |
Scorpio AT-J20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Pilot |
Other Specs of Scorpio AT-J20
| Component group sets | Juvenile Mix |
| Pedals details | Victor Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Pilot |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
-1999-specs.jpg)
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Coaster Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Coaster Boys Youth here
- Get your Scorpio AT-J20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scorpio AT-J20 Youth here