GT MACH ONE 1997 VS Robinson JR. 1997 specs comparison
GT Mach One
General Infos| Model | Mach One |
| Manufacturer | GT |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- blue - chrome-plated -Black |
| Sizes |
- Boys |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) GT AA Pro Front: 20 X 2.125 (inches) GT AA Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Aluminum Levers Tektro 875A V-brake Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 36-hole Weinmann 4019 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | GT Expert Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Aluminum |
| Headset size | 1 1/8 (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 | One Piece |
| Crankset parts and sizes | 44 Teeth GT Power Series 1-piece Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Mach One Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT |
Other Specs of GT Mach One
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platforms |
| Rear shock absorber | Not Available |
| Saddle seat | GT Drop Nose |
| Seat post extension | Chromoly Micro-adjust |
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 |
Related Bike comparison
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Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach One bike manual
- Find All parts, tires and accessories of GT Mach One 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