GT MACH ONE JR. 2008 VS GT POWER SERIES JR. 2009 specs comparison
GT Mach One Jr.
General Infos| Model | Mach One Jr. |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| Sizes |
- Standard size for everyone |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Unavailable Front and Coaster Rear |
| Hubs for disc brakes | Rear: Steel Coaster Front: Steel |
| Rims manufacturer | 28-hole Alloy |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | Not Available |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | KMC Z-410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type Steel |
| Crankset parts and sizes | GT Forged Steel 1pc. |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
GT Mach One Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown |
| Fork type | GT BMX |
Other Specs of GT Mach One Jr.
| Component group sets | BMX |
| Pedals details | Resin Jr. BMX Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT Jr. BMX |
| Seat post extension | Steel |
GT Power Series Jr.
General Infos| Model | Power Series Jr. |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-White and Black |
| Sizes |
- 18.25 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 1 1/8 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Mini BMX Rear Levers Tektro 926AL Mini-V Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech BMX Cassette Front: GT Aluminum Sealed |
| Rims manufacturer | 28-hole Alex DA-22 |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | 15ga. |
Frame and Body Specs
| Frame materials | 6061-T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Mini BMX |
| Headset size | 1 (inches) FSA Orbit IS-2 |
Gearing Specifications
| Bicycle chain | KMC Z610 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | ISIS Cartridge |
| Crankset parts and sizes | 39 Teeth GT Forged Aluminum 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 13 14 15 16 17 18 Teeth 1-speed |
GT Power Series Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum and chromoly Steerer |
| Fork type | GT BMX |
Other Specs of GT Power Series Jr.
| Component group sets | BMX |
| Pedals details | Aluminum Body With Bolt On Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | GT Mini BMX |
| Seat post extension | 22.2 (millimeters) Diameter Integrated |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach One Jr. bike manual
- Find All parts, tires and accessories of GT Mach One Jr. BMX here
- Get your GT Power Series Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Power Series Jr. BMX here