GT SPEED SERIES JR 1998 VS Supercross DIRT 1997 specs comparison
GT Speed Series Jr
General Infos| Model | Speed Series Jr |
| Manufacturer | GT |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Ball-burnished |
| Sizes |
- Junior |
| Sizes |
- Junior |
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 | Dia-Compe MX-122 Levers Tektro Dual-pivot Caliper Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 28-hole Weinmann Mini Zac |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Jr Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Threadless Aheadset DX2 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | GT Cartridge |
| Crankset parts and sizes | GT 3-piece Jr Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 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 | Victor VP-103 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum |
Supercross Dirt
General Infos| Model | Dirt |
| Manufacturer | Supercross |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- red -Black |
| Sizes |
- Pro - XL |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Primo V-Monster |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-99 Levers Dia-Compe 990 Brakes |
| Hubs for disc brakes | Tech Sealed BMX |
| Rims manufacturer | 48-hole Velocity |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded |
| Handlebar construction | Supercross Jump Bar |
| Handlebar extender | Not Available |
| Handlebar stem details | Supercross |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset ST-2 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 44 Teeth Supercross Powercrank 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Supercross Dirt Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Supercross Pro |
Other Specs of Supercross Dirt
| Component group sets | Not Available |
| Pedals details | Tech Pro Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Supercross BMX |
| Seat post extension | 25.4 (millimeters) Diameter Chromoly |
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 Supercross Dirt manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Supercross Dirt BMX here