GT MACH ONE JR. 2008 VS GT SPEED SERIES PRO 2011 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 Speed Series Pro
General Infos| Model | Speed Series Pro |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-White and blue |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Kenda Small Block 8 Front: 20 X 2.0 (inches) Kenda Small Block 8 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Unavailable Front and Tektro 319 Rear Levers Unavailable Front and Tektro 930AL Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 36-hole and 32-hole Rear: Alienation 440 Front: Alienation Deviant |
| Spoke nipples type | Alloy |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | 6061-T6 Hydroformed Aluminum |
| Frame type | Aluminum |
| Handlebar construction | GT BMX Race |
| Handlebar extender | Optional |
| Handlebar stem details | Cold Forged GT Drop |
| Headset size | FSA Orbit Z |
Gearing Specifications
| Bicycle chain | KMC Z610HX |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ GIGA Pipe |
| Crankset parts and sizes | Truvativ AL-7050 |
| Gear shift levers | Not Available |
| Rear gear set | Not Available |
GT Speed Series Pro Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | GT BMX |
Other Specs of GT Speed Series Pro
| Component group sets | BMX Mix |
| Pedals details | GT BMX Platform |
| Rear shock absorber | Not Available |
| Saddle seat | SDG I-Fly |
| Seat post extension | 27.2 (millimeters) Diameter SDG I Beam |
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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 Jr. bike manual
- Find All parts, tires and accessories of GT Mach One Jr. BMX here
- Get your GT Speed Series Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Speed Series Pro BMX here