Univega JAMMER 1998 VS Specialized HOTROCK 12 2006 specs comparison
Univega Jammer
General Infos| Model | Jammer |
| Manufacturer | Univega |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- Sapphire Blue -Freckle Black |
| Sizes |
- Boys 11 (inches) - girls 11 (inches) |
| Sizes |
- Boys 11 (inches) - girls 11 (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.00 (inches) Multi-terrain |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Resin and aluminum Levers Aluminum Cantilever Brakes |
| Hubs for disc brakes | Nutted Steel |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC UG-50 |
| Bottom bracket shell width | American 24tpi |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 40 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Grip Shift MRX-170 Rear |
| Rear gear set | 14 - 28 Teeth 6-speed |
Univega Jammer Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Univega Jr. ATB |
Other Specs of Univega Jammer
| Component group sets | Shimano Tourney |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Padded Vinyl |
| Seat post extension | 25.4 (millimeters) Diameter Steel Pillar |
Specialized HotRock 12
General Infos| Model | HotRock 12 |
| Manufacturer | Specialized |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 12 X 2.125 (inches) Specialized Spanky |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | JT |
| Rims manufacturer | 16-hole Alex |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge UCP |
Frame and Body Specs
| Frame materials | Specialized A1 Premium AL |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 (inches) Threaded |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 28 Teeth 1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Specialized HotRock 12 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum |
| Fork type | Specialized |
Other Specs of Specialized HotRock 12
| Component group sets | Juvenile Mix |
| Pedals details | Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Hotrock Juvi |
| Seat post extension | 22.2 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, Univega provided us with the latest version of its Jammer bike manual
- Find All parts, tires and accessories of Univega Jammer Youth here
- Get your Specialized HotRock 12 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized HotRock 12 Youth here