Specialized HOTROCK 20 BOYS COASTER 2009 VS Ross UNICORN 1993 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 |
Ross Unicorn
General Infos| Model | Unicorn |
| Manufacturer | Ross |
| Year of production | 1993 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- 16 boys and girls |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 1 3/8 (inches) Front: 26 X 1 3/8 (inches) Gumwall |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Levers Alloy Sidepull Brakes |
| Hubs for disc brakes | Jou Yu |
| Rims manufacturer | Steel |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Not Available |
| Frame type | TIG-welded Steel |
| Handlebar construction | Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Steel |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | KMC HP-20 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28/38/48 Teeth SR CFC Aluminum |
| Gear shift levers | Shimano Tourney 15 Thumbshifters |
| Rear gear set | 14 - 28 Teeth 5-speed |
Ross Unicorn Fork System Data
| Derailleur (Front) | Shimano Tourney 15 |
| Derailleur (Rear) | Shimano Tourney 15 |
| Fork material | Not Available |
| Fork type | Not Available |
Other Specs of Ross Unicorn
| Component group sets | Shimano Tourney 15 |
| Pedals details | Victor 872 |
| Rear shock absorber | Not Available |
| Saddle seat | Ross |
| Seat post extension | Steel |
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 Ross Unicorn manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Ross Unicorn Youth here