GT SPEED SERIES JR. 1997 VS Diamondback JR. VIPER 2003 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 |
Diamondback Jr. Viper
General Infos| Model | Jr. Viper |
| Manufacturer | Diamondback |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
- Chrome-Plated -Blue Flame |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | 20 X 1.75 (inches) Kenda K-50 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Aluminum Rear Levers Steel Linear-pull Rear Brakes |
| Hubs for disc brakes | Rear: Steel Coaster Brake Nutted Front: Steel |
| Rims manufacturer | 36-hole Steel |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum 4 Bolt |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 36 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Diamondback Jr. Viper Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Not Available |
Other Specs of Diamondback Jr. Viper
| Component group sets | Not Available |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback BMX |
| Seat post extension | 25.4 (millimeters) Diameter Chrome Plated Steel |
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 Diamondback Jr. Viper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Jr. Viper BMX here