Specialized HOTROCK 20 BOYS COASTER 2007 VS Diamondback RM 20 2012 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 |
Diamondback RM 20
General Infos| Model | RM 20 |
| Manufacturer | Diamondback |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| Sizes |
- 20 |
Wheels And Breaking System
| Bike front tire | Comp III Style 20x2.125 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Coaster Brake and V-brake |
| Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Hi-ten Remington Steel |
| Frame type | Not Available |
| Handlebar construction | Hi-Ten 2-piece |
| Handlebar extender | Not Available |
| Handlebar stem details | Steel Quill |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | KMC Z-410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Looseball |
| Crankset parts and sizes | 1-piece 28t |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
Diamondback RM 20 Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | Hi-Ten |
Other Specs of Diamondback RM 20
| Component group sets | Not Available |
| Pedals details | Nylon Flat Pedal |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | DB BMX Padded |
| Seat post extension | Alloy 25.4 |
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 Diamondback RM 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback RM 20 Youth here
