GT MACH ONE EXPERT 2009 VS Diamondback VIPER 2008 specs comparison
GT Mach One Expert
General InfosModel | Mach One Expert |
Manufacturer | GT |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | - Black-Royal |
Sizes | - 18 TT (inches) |
Sizes | - 18 TT (inches) |
Wheels And Breaking System
Bike front tire | 20 X 1.75 (inches) GT Wing Design |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro 317A Rear LeversCoast Brake and Alloy Linear Pull Rear Brakes |
Hubs for disc brakes | Steel |
Rims manufacturer | 36-holeAlloy |
Spoke nipples type | Brass |
Spoke wheel | 14ga. |
Frame and Body Specs
Frame materials | Not Available |
Frame type | TIG-welded |
Handlebar construction | GT BMX Hi-ten |
Handlebar extender | Optional |
Handlebar stem details | GT Aluminum |
Headset size | 1 1/8 (inches) VP A74F HD |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Steel |
Crankset parts and sizes | 36 TeethForged One-piece |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Mach One Expert Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown |
Fork type | GT BMX |
Other Specs of GT Mach One Expert
Component group sets | BMX |
Pedals details | Jr Resin Platform |
Rear shock absorber | Not Available |
Saddle seat | GT BMX Pro Lite |
Seat post extension | 25.4 (millimeters) DiameterSteel |

Diamondback Viper
General InfosModel | Viper |
Manufacturer | Diamondback |
Year of production | 2008 |
Current price | Check price Here ==> |
Color choice | - Green-Black |
Sizes | - 19.5 top tube (inches) |
Wheels And Breaking System
Bike front tire | Rear: 20 X 1.75 (inches) Comp III-styleFront: 20 X 2.125 (inches) Comp III-style |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Rush RX2.1 LeversRush Linear Brakes |
Hubs for disc brakes | Steel 3/8 (inches) Axle |
Rims manufacturer | 36-hole30 (millimeters) Wide Aluminum |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Straight Gauge |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | Hi-ten Steel 2-piece |
Handlebar extender | Optional |
Handlebar stem details | DB Alloy 4-bolt |
Headset size | 1 1/8 (inches) Threadless FSA |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Loose Ball |
Crankset parts and sizes | 44 Teeth165 (millimeters) Steel 1-piece |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Diamondback Viper Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownHi-tensile Steel |
Fork type | Diamondback |
Other Specs of Diamondback Viper
Component group sets | BMX Mix |
Pedals details | Resin Platform |
Rear shock absorber | Not Available |
Saddle seat | DB BMX Padded |
Seat post extension | Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach One Expert bike manual
- Find All parts, tires and accessories of GT Mach One Expert BMX here
- Get your Diamondback Viper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Viper BMX here