Specialized HOTROCK 20 BOYS COASTER 2009 VS Diamondback MINI VIPER 2003 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 LeversTektro Linear-pull and coaster Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech Steel Nutted CoasterFront: Joy Tech Steel Nutted |
| Rims manufacturer | 36-holeAlloy |
| 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 TeethHeat 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 CrownA1 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) DiameterSteel |
Diamondback Mini Viper
General Infos| Model | Mini Viper |
| Manufacturer | Diamondback |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice | - Chrome-10-40 Red |
| Sizes | - Juvenile |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) Kenda K-50 |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Steel Coaster Brake NuttedFront: Steel |
| Rims manufacturer | 28-holeSteel |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 36 Teeth1-piece 5 1/2 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth1-speed |
Diamondback Mini Viper Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownHi-tensile Steel |
| Fork type | Not Available |
Other Specs of Diamondback Mini Viper
| Component group sets | Not Available |
| Pedals details | Wellgo LU-968 |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback BMX |
| Seat post extension | 25.4 (millimeters) DiameterSteel |
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 Mini Viper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Mini Viper Youth here