Univega JAMMER 1998 VS Trek JET 12 2004 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 |
Trek Jet 12
General Infos| Model | Jet 12 |
| Manufacturer | Trek |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Red |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 12 X 2.125 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Nutted Steel |
| Rims manufacturer | Chrome Steel |
| Spoke nipples type | Not Available |
| Spoke wheel | Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Rise Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Threaded Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28 Teeth Steel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 20 Teeth 1-speed |
Trek Jet 12 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Trek |
Other Specs of Trek Jet 12
| Component group sets | Not Available |
| Pedals details | Platform Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Trek Jr |
| Seat post extension | Steel |
-1998-specs.jpg)
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 Trek Jet 12 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Jet 12 Youth here