GT SPEED SERIES JR. 1997 VS GT EL CENTRO 18 2008 specs comparison
GT Speed Series Jr.
General Infos| Model | Speed Series Jr. |
| Manufacturer | GT |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Ball burnished |
| Sizes |
- Boys |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe Levers Dia-Compe Aluminum Side-pull Caliper Rear Brakes |
| Hubs for disc brakes | High-flange GT Mohawk |
| Rims manufacturer | 36-hole Araya |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Aluminum |
| Headset size | 1 (inches) Threadless Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC 410 |
| Bottom bracket shell width | 68 (millimeters) Threadless |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 44 Teeth 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Speed Series Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Speed Series Jr.
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platforms |
| Rear shock absorber | Not Available |
| Saddle seat | GT Plastic |
| Seat post extension | Aluminum |
GT El Centro 18
General Infos| Model | El Centro 18 |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 18 (inches) Kenda Kontact |
| Bike rear tire | Not Available |
| Bike wheel size | 18 (inches) Wheels |
| Brakeset type | Tektro 299A Rear Levers Tektro 907A Rear Brakes |
| Hubs for disc brakes | Steel Shell With 14 (millimeters) Axle |
| Rims manufacturer | 36-hole Alex G303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Not Available |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Dirt and street |
| Handlebar extender | Optional |
| Handlebar stem details | GT FS Design |
| Headset size | 1 1/8 (inches) Tange Seiki Fatty 22 |
Gearing Specifications
| Bicycle chain | KMC Z-410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type With 8 Spline Cr-Mo Axle |
| Crankset parts and sizes | GT Tubular Cr-Mo 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT El Centro 18 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Cromo and Hi-Ten |
| Fork type | GT Freestyle |
Other Specs of GT El Centro 18
| Component group sets | BMX |
| Pedals details | Aluminum Body Cr-mo Axle Molded In Pins Jr. BMX Platform Design |
| Rear shock absorber | Not Available |
| Saddle seat | BMX Mini Street |
| Seat post extension | Aluminum |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Speed Series Jr. bike manual
- Find All parts, tires and accessories of GT Speed Series Jr. BMX here
- Get your GT El Centro 18 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT El Centro 18 BMX here