GT MACH 1 JR. 2004 VS GT FLY 2006 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 Fly
General Infos| Model | Fly |
| Manufacturer | GT |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
- Lime Green -Gloss Black |
| Sizes |
- 20 wheel (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 2.10 (inches) GT LP-IV Front: 26 X 2.20 (inches) GT-1453 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | 319AC 907AD Tektro Aluminum Levers Dual Anchor Bolts Forged Aluminum U-brake Rear Brakes Alloy Side-pull Caliper Front and Tektro |
| Hubs for disc brakes | 14 (millimeters) Hi-carbon Axle 3/8 (inches) Hi-carbon Axle Rear: Steel Body Front: Steel Body |
| Rims manufacturer | 31 (millimeters) Width 36 Hole 36-hole Aluminum Alex G303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly Downtube |
| Frame type | TIG-welded |
| Handlebar construction | 7 (inches) Rise Hi-Ten GT Dirt and street Bend |
| Handlebar extender | Not Available |
| Handlebar stem details | Cold Forged Aluminum GT Johnson III Design |
| Headset size | Extra Deep Cup Engagement 1 1/8 (inches) Tange Seiki FATTY 22 |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Ball Type Steel |
| Crankset parts and sizes | 42 Teeth GT Tubular Forged 3pc. |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Fly Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Cromo and Hi-Ten |
| Fork type | '05 GT Dirt Jump Design |
Other Specs of GT Fly
| Component group sets | BMX |
| Pedals details | Aluminum Body Cr-mo Alxe '05 GT Dirt and Street Platform Design |
| Rear shock absorber | Not Available |
| Saddle seat | 9 (millimeters) Rails GT (inches)Star 19 (inches) Two Piece Design |
| Seat post extension | 25.4 (millimeters) Diameter 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 Fly manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Fly BMX here