GT MACH 1 JR. 2004 VS GT POWER SERIES JR. 2008 specs comparison
GT Mach 1 Jr.
General Infos| Model | Mach 1 Jr. |
| Manufacturer | GT |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| Sizes |
- Junior |
| Sizes |
- Junior |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) BMX Knobby |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Steel Coaster Brake Nutted Front: Steel |
| Rims manufacturer | 28-hole Steel |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | Threaded 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 36 Teeth Steel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Mach 1 Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | GT |
Other Specs of GT Mach 1 Jr.
| Component group sets | Not Available |
| Pedals details | BMX |
| Rear shock absorber | Not Available |
| Saddle seat | GT Jr. BMX |
| Seat post extension | 22.2 (millimeters) Diameter Chromoly |
GT Power Series Jr.
General Infos| Model | Power Series Jr. |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Black |
| Sizes |
- Junior 18.25 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Unavailable Front and Mini BMX Rear Levers Unavailable Front and Tektro 926AL Mini-V Rear Brakes |
| Hubs for disc brakes | Rear: Joy Tech 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 | GT 6061 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Mini BMX |
| Headset size | 1 1/8 (inches) FSA Orbit IS-2 |
Gearing Specifications
| Bicycle chain | KMC Z610 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Euro |
| Crankset parts and sizes | GT Forged Aluminum 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 14 15 16 Teeth 1-speed |
GT Power Series Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum |
| Fork type | GT Aluminum |
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 | Aluminum |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach 1 Jr. bike manual
- Find All parts, tires and accessories of GT Mach 1 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