Specialized HOTROCK 20 BOYS COASTER 2009 VS Specialized HOTROCK 24 21-SPEED BOYS 2014 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 Levers Tektro Linear-pull and coaster Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech Steel Nutted Coaster Front: Joy Tech Steel Nutted |
| Rims manufacturer | 36-hole Alloy |
| 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 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 A1 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) Diameter Steel |
Specialized Hotrock 24 21-Speed Boys
General Infos| Model | Hotrock 24 21-Speed Boys |
| Manufacturer | Specialized |
| Year of production | 2014 |
| Current price | Check price Here ==> |
| Color choice |
- Black and White and Cyan - Blue - Orange and Black and White - Purple and White - Red and White and Black -Black and Pink |
| Sizes |
- 11 (inches) |
Wheels And Breaking System
| Bike front tire | Nimbus Flak Jacket 24x1.5 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Linear Pull |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | Alloy 24 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | Not Available |
| Handlebar construction | Alloy Riser Bar |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC HV500 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Square Taper |
| Crankset parts and sizes | Alloy 42/34/24t |
| Gear shift levers | Shimano Revo |
| Rear gear set | 3x7 Speeds |
Specialized Hotrock 24 21-Speed Boys Fork System Data
| Derailleur (Front) | Shimano Tourney |
| Derailleur (Rear) | Shimano TX-35 |
| Fork material | Not Available |
| Fork type | Aluminum |
Other Specs of Specialized Hotrock 24 21-Speed Boys
| Component group sets | Not Available |
| Pedals details | Nylon Platform |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | Specialized Kids |
| Seat post extension | Alloy |
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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 Specialized Hotrock 24 21-Speed Boys manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock 24 21-Speed Boys Youth here