Specialized HOTROCK 20 BOYS COASTER 2010 VS Jamis BOSSY 20 1997 specs comparison
Specialized Hotrock 20 Boys Coaster
General Infos| Model | Hotrock 20 Boys Coaster |
| Manufacturer | Specialized |
| Year of production | 2010 |
| 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 Linear Rear Levers Tektro Alloy V-Brake Rear Brakes Coaster Brake |
| 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. Stainless |
Frame and Body Specs
| Frame materials | 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 High-tensile Steel |
| Fork type | Rigid Steel |
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 |
Jamis Bossy 20
General Infos| Model | Bossy 20 |
| Manufacturer | Jamis |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- purple -Pink |
| Sizes |
- 12 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) Cheng Shin C-640 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | KT Coaster Brake |
| Hubs for disc brakes | Rear: Kung Ten Coaster Brake Nutted Front: Kung Ten Aluminum |
| Rims manufacturer | 36-hole CMC 7X Steel |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 105g Straight Gauge Shuhn Lih Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Cruiser Bend |
| Handlebar extender | Not Available |
| Handlebar stem details | Hsin Lung MX-552 |
| Headset size | 1 (inches) Chin Haur CH60-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 36 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Jamis Bossy 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Akisu |
Other Specs of Jamis Bossy 20
| Component group sets | Not Available |
| Pedals details | Victor VP-810 |
| Rear shock absorber | Not Available |
| Saddle seat | Viscount 5034 |
| 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 20 Boys Coaster bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Boys Coaster Youth here
- Get your Jamis Bossy 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Jamis Bossy 20 Youth here