GT ZONE 2011 VS Robinson JR. 1997 specs comparison
GT Zone
General Infos| Model | Zone |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- lime -Vivid blue |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.1 (inches) GT Air Bags |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289A Levers Rush 900D Front and Rush 933D Rear Brakes |
| Hubs for disc brakes | Steel |
| Rims manufacturer | 32-hole and 36-hole Alex G303 |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Steel |
| Frame type | Steel |
| Handlebar construction | GT Dirt and street Steel |
| Handlebar extender | Optional |
| Handlebar stem details | GT Freestyle Drop |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC Z510 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 33T Teeth Tubular 3 Pc. |
| Gear shift levers | Not Available |
| Rear gear set | 13 teeth c |
GT Zone Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | GT Freestyle |
Other Specs of GT Zone
| Component group sets | BMX Mix |
| Pedals details | GT Jump Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT Slim Mini Street |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Robinson Jr.
General Infos| Model | Jr. |
| Manufacturer | Robinson |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Ball burnished |
| 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 MX-122 Jr. Levers Dia-Compe Aluminum Side-pull Caliper Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 36-hole Araya |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Robinson 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) English |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39 Teeth 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Robinson Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Robinson |
Other Specs of Robinson Jr.
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platforms |
| Rear shock absorber | Not Available |
| Saddle seat | GT Plastic |
| Seat post extension | Aluminum Pillar |
-1997-specs.jpg)
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Zone bike manual
- Find All parts, tires and accessories of GT Zone BMX here
- Get your Robinson Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Robinson Jr. BMX here