GT SPEED SERIES JR. 1999 VS GT ZONE 2008 specs comparison
GT Speed Series JR.
General Infos| Model | Speed Series JR. |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Ball-Burnished |
| Sizes |
- Mini |
| Sizes |
- Mini |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Alloy Linear-pull Rear Levers Tektro Linear-pull Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 28-hole Weinmann Mini Zac |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Wheelsmith Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | Welded |
| Handlebar construction | GT Jr Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Threadless Aheadset AL |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge |
| Crankset parts and sizes | 42 Teeth GT 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 Reynolds 531 |
| Fork type | GT |
Other Specs of GT Speed Series JR.
| Component group sets | Not Available |
| Pedals details | Victor VP-104 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Uni Mini |
| Seat post extension | Aluminum |
GT Zone
General Infos| Model | Zone |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
- Black and Turquoise - Red and White -White and Green |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 20 (inches) Kenda Kiniption |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 319A Levers Tektro 907A U-brake Brakes |
| Hubs for disc brakes | Steel Shell With 14 (millimeters) Axle |
| Rims manufacturer | 48-hole Alex G303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Chromoly Seat Tube and hi-tensile Steel |
| 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) TH |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type Steel |
| Crankset parts and sizes | GT Forged 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
GT Zone Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown |
| Fork type | GT Freestyle |
Other Specs of GT Zone
| Component group sets | BMX |
| Pedals details | Aluminum Body Fixed Pins BMX Platform Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT BMX Dirt and street |
| Seat post extension | Not Available |
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 Zone manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Zone BMX here