GT SPEED SERIES 1999 VS GT MACH 1 PRO 2003 specs comparison
GT Speed Series
General Infos| Model | Speed Series |
| Manufacturer | GT |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice | -Ball-Burnished |
| Sizes | - Boys |
| Sizes | - Boys |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) GT AA ProFront: 20 X 2.125 (inches) GT AA Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dia-Compe MX-1 Rear Levers Direct Pull Rear BrakesDia-Compe MX1 |
| Hubs for disc brakes | GT Rhythm System Sealed |
| Rims manufacturer | GT Rhythm System Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | Welded |
| Handlebar construction | GT Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston Invet |
| Headset size | 1 1/8 (inches) Threadless Aheadset SX-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | GT Sealed Bearing |
| Crankset parts and sizes | GT 3-piece Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
GT Speed Series Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Speed Series
| Component group sets | Not Available |
| Pedals details | GT Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT Drop Nose |
| Seat post extension | GT Aluminum Micro-adjust |
GT Mach 1 Pro
General Infos| Model | Mach 1 Pro |
| Manufacturer | GT |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice | - Metallic Silver-Chrom Blue |
| Sizes | - One |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289A Rear LeversTektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 36-holeAlex G303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight GaugeSteel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Victor VP-A74F |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches)KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 43 TeethSteel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
GT Mach 1 Pro Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly Steerer |
| Fork type | GT |
Other Specs of GT Mach 1 Pro
| Component group sets | Not Available |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT BMX |
| Seat post extension | 25.4 (millimeters) DiameterAluminum |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Speed Series bike manual
- Find All parts, tires and accessories of GT Speed Series BMX here
- Get your GT Mach 1 Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Mach 1 Pro BMX here