GT MACH ONE JUNIOR 2011 VS Trek JET 20 2012 specs comparison
GT Mach One Junior
General Infos| Model | Mach One Junior |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- red -Black |
| Sizes |
- Not available |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) GT Wing Design |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Unavailable Front and coast Brake Rear |
| Hubs for disc brakes | Rear: Coaster Brake Front: Steel |
| Rims manufacturer | 28-hole Alloy |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Hi Ten |
| Frame type | Steel |
| Handlebar construction | GT BMX |
| Handlebar extender | Optional |
| Handlebar stem details | 4-bolt Alloy and Steel Quill |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 32T Teeth Forged 1 Piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 teeth c |
GT Mach One Junior Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | GT BMX |
Other Specs of GT Mach One Junior
| Component group sets | BMX Mix |
| Pedals details | Resin Jr. BMX Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT Jr. BMX |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Trek Jet 20
General Infos| Model | Jet 20 |
| Manufacturer | Trek |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
- Pearl Green and Metallic Black -Metallic Black and Blue |
| Sizes |
- 20 |
Wheels And Breaking System
| Bike front tire | Cross Knobby 20x1.95 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Coaster Brake and V-brake |
| Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
| Rims manufacturer | Alloy 36h |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha Silver Aluminum |
| Frame type | Not Available |
| Handlebar construction | Steel Dialed 20 (inches) |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy and steel |
| Headset size | Unavailable Headset |
Gearing Specifications
| Bicycle chain | Unavailable Chain |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Looseball |
| Crankset parts and sizes | 32T Dialed 4.5 (inches) |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
Trek Jet 20 Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | High-tensile Steel |
Other Specs of Trek Jet 20
| Component group sets | Not Available |
| Pedals details | Platform |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | Padded |
| Seat post extension | Steel |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach One Junior bike manual
- Find All parts, tires and accessories of GT Mach One Junior Youth here
- Get your Trek Jet 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Jet 20 Youth here