Specialized HOTROCK 20 BOYS COASTER 2007 VS Trailmate JR. JOYRIDER 1997 specs comparison
Specialized Hotrock 20 Boys Coaster
General Infos| Model | Hotrock 20 Boys Coaster |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Yellow and Black -Silver and Black |
| Sizes |
- Standard size for everyone |
| Sizes |
- Standard size for everyone |
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 Jr. Levers Coaster Rear Brakes |
| Hubs for disc brakes | Joy Tech Steel Nutted |
| Rims manufacturer | 36-hole Alloy Single Wall |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge UCP |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten 2pc |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy A-Head |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | 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 Steel |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 20 Boys Coaster
| Component group sets | Juvenile Mix |
| Pedals details | Composite Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Hotrock Jumping |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Trailmate Jr. Joyrider
General Infos| Model | Jr. Joyrider |
| Manufacturer | Trailmate |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | Rear: 16 (inches) Front: 12 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | Rear: 16 (inches) Wheels Front: 12 (inches) |
| Brakeset type | Steel Caliper Front |
| Hubs for disc brakes | Nutted Steel |
| Rims manufacturer | Skyway |
| Spoke nipples type | Not Available |
| Spoke wheel | Molded Reinforced Nylon |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | MIG-welded |
| Handlebar construction | Trailmate |
| Handlebar extender | Not Available |
| Handlebar stem details | Not Available |
| Headset size | 1 (inches) |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 22 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 13 Teeth 1-speed |
Trailmate Jr. Joyrider Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Hi-tensile Steel |
| Fork type | Trailmate |
Other Specs of Trailmate Jr. Joyrider
| Component group sets | Not Available |
| Pedals details | Not Available |
| Rear shock absorber | Not Available |
| Saddle seat | Central Specialties |
| Seat post extension | Trailmate |
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 Trailmate Jr. Joyrider manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trailmate Jr. Joyrider Youth here
