GT MACH 1 EXPERT 2004 VS DK OPSIS 2009 specs comparison
GT Mach 1 Expert
General Infos| Model | Mach 1 Expert |
| Manufacturer | GT |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
- Yellow -Red |
| Sizes |
- One |
| Sizes |
- One |
Wheels And Breaking System
| Bike front tire | 20 X 1.75 (inches) GT Brody Knobs |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289A Rear Levers Tektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | Rear: Shimano Coaster Brake Nutted Front: Steel |
| Rims manufacturer | 36-hole Aluminum |
| 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 | Steel |
| Crankset parts and sizes | 36 Teeth Steel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Mach 1 Expert 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 Expert
| Component group sets | Not Available |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT BMX |
| Seat post extension | 22.2 (millimeters) Diameter Chromoly |
DK Opsis
General Infos| Model | Opsis |
| Manufacturer | DK |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Silver Metallic -Apple Green Metallic |
| Sizes |
- 19 TT (inches) |
Wheels And Breaking System
| Bike front tire | 20 (inches) Kenda |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Unavailable Rear Levers Tektro Alloy U-brake Brakes |
| Hubs for disc brakes | Rear: Free Coaster 10 (millimeters) Axle Front: 10 (millimeters) Axle |
| Rims manufacturer | Alienation PBR |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | 4130 Chromoly Mainframe |
| Frame type | TIG-welded |
| Handlebar construction | DK Flatland Specific 2-pc |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Front Load 40 (millimeters) |
| Headset size | 1 1/8 (inches) Cane Creek Integrated |
Gearing Specifications
| Bicycle chain | KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Mid Sealed BB |
| Crankset parts and sizes | 28 Teeth 3 Piece Tubular Chromoly |
| Gear shift levers | Not Available |
| Rear gear set | 14 Teeth 1-speed |
DK Opsis Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown 4130 Chromoly |
| Fork type | Not Available |
Other Specs of DK Opsis
| Component group sets | BMX |
| Pedals details | Plastic Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Plastic Flatland With 7 (millimeters) Rails |
| Seat post extension | 25.4 (millimeters) Diameter Alloy Pillar |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach 1 Expert bike manual
- Find All parts, tires and accessories of GT Mach 1 Expert BMX here
- Get your DK Opsis manual book version yo know further about this bike
- Saddles, tires And mechanical parts for DK Opsis BMX here