Univega JAMMER 1998 VS GT STOMPER 20 2009 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 LeversAluminum Cantilever Brakes |
| Hubs for disc brakes | NuttedSteel |
| Rims manufacturer | 36-holeWeinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeChung 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 Teeth1-piece 5 1/2 (inches) |
| Gear shift levers | Grip Shift MRX-170 Rear |
| Rear gear set | 14 - 28 Teeth6-speed |
Univega Jammer Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown CrownHi-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 SteelPillar |
GT Stomper 20
General Infos| Model | Stomper 20 |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice | -Red |
| Sizes | - Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda ATB Dual Purpose |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Alloy Short Reach LeversTektro Linear Brakes |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | Aluminum |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | GT 6061 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) Aheadset |
Gearing Specifications
| Bicycle chain | Uniglide |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | 3-piece |
| Crankset parts and sizes | 36 TeethCotterless Aluminum |
| Gear shift levers | SRAM MRX |
| Rear gear set | 14 - 28 Teeth7-speed |
GT Stomper 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano TX30 |
| Fork material | Single CrownAlloy |
| Fork type | 75 (millimeters) TravelSR Suntour M2000 |
Other Specs of GT Stomper 20
| Component group sets | Juvenile Mix |
| Pedals details | High Impact Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Boys Anatomic MTN |
| Seat post extension | Alloy |
Related Bike comparison
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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 GT Stomper 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Stomper 20 Youth here