Specialized HOTROCK COASTER 2008 VS Diamondback RM 20 2009 specs comparison
Specialized Hotrock Coaster
General Infos| Model | Hotrock Coaster |
| Manufacturer | Specialized |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
- green and black - purple - white -Blue and black |
| Sizes |
- 20 wheel (inches) |
| Sizes |
- 20 wheel (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Specialized Roller Wire |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Jr. Rear Levers Coaster With Tektro (inches)V (inches) Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech Coaster Front: Joy Tech Steel |
| Rims manufacturer | 36-hole Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge UCP |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hi-tensile 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 Z-410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball OPC |
| Crankset parts and sizes | 36 Teeth Heat-treated Hi-Tensile Steel |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Specialized Hotrock Coaster 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 Coaster
| Component group sets | Juvenile Mix |
| Pedals details | Composite Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Kids |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Diamondback RM 20
General Infos| Model | RM 20 |
| Manufacturer | Diamondback |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Blue |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Comp III Style |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Alloy Linear Rear Levers Alloy Linear Pull and Coaster Brake Rear Brakes |
| Hubs for disc brakes | Rear: Nutted Coaster Front: Nutted |
| Rims manufacturer | 36-hole Alex R-1000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | High-Tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten 2-piece |
| Handlebar extender | Optional |
| Handlebar stem details | Steel Quill |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 36 Teeth 1-piece |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Diamondback RM 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High-tensile Steel |
| Fork type | Not Available |
Other Specs of Diamondback RM 20
| Component group sets | Juvenile Mix |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | DB BMX Padded |
| Seat post extension | 25.4 (millimeters) Diameter Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock Coaster bike manual
- Find All parts, tires and accessories of Specialized Hotrock Coaster Youth here
- Get your Diamondback RM 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback RM 20 Youth here
