GT MACH 1 JR. 2004 VS DK FOUR PACK 2007 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 |
DK Four Pack
General Infos| Model | Four Pack |
| Manufacturer | DK |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Charcoal -Brown |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | Rear: System Interstate 85 Front: System Moto 85 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Tektro FX-3 Alloy Rear Levers Tektro 904A Rear Brakes |
| Hubs for disc brakes | DK Sealed 14 (millimeters) Axle |
| Rims manufacturer | 36-hole and 48-hole Rear: Sun King Pin Front: Sun Rhyno Lite XL |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Black |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | DK 2 Piece Chromoly 7.3 (inches) |
| Handlebar extender | Optional |
| Handlebar stem details | DK Trail |
| Headset size | 1 1/8 (inches) Integrated FSA 45/45 Campy |
Gearing Specifications
| Bicycle chain | KMC Z410 HNP |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Integrated Spanish |
| Crankset parts and sizes | 3 Piece 33 Teeth DK Chop Stix |
| Gear shift levers | Not Available |
| Rear gear set | 12 Teeth 1-speed |
DK Four Pack Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | DK |
Other Specs of DK Four Pack
| Component group sets | BMX |
| Pedals details | DK Platform With Pins |
| Rear shock absorber | Not Available |
| Saddle seat | DK Jump Seat With Chromoly Rails |
| Seat post extension | Chromoly Micro-adjust |
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 DK Four Pack manual book version yo know further about this bike
- Saddles, tires And mechanical parts for DK Four Pack BMX here