GT TACHYON 4.0 2011 VS Specialized ROUBAIX PRO 2004 specs comparison
GT Tachyon 4.0
General Infos| Model | Tachyon 4.0 |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-White |
| Sizes |
- Extra small - Small - Medium - Large |
| Sizes |
- Extra small - Small - Medium - Large |
Wheels And Breaking System
| Bike front tire | 700 X 32c Kenda Kwest |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano EF-51 Levers Tektro RX-1 Brakes |
| Hubs for disc brakes | Formula Alloy |
| Rims manufacturer | 32-hole Jalco DRX3000 |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | Aluminum |
| Handlebar construction | GT Flat Bar |
| Handlebar extender | Optional |
| Handlebar stem details | GT Alloy |
| Headset size | Integrated Sealed |
Gearing Specifications
| Bicycle chain | KMC HG39 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge Sealed |
| Crankset parts and sizes | 48/38/28t Teeth Shimano FC-M311 |
| Gear shift levers | Shimano EF-51 |
| Rear gear set | 11 - 32 Teeth 8-speed |
GT Tachyon 4.0 Fork System Data
| Derailleur (Front) | Shimano M191 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Alloy |
| Fork type | GT Type R Alloy |
Other Specs of GT Tachyon 4.0
| Component group sets | Road Mix |
| Pedals details | Alloy Body and Steel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | GT Sport |
| Seat post extension | GT Design Alloy |
Specialized Roubaix Pro
General Infos| Model | Roubaix Pro |
| Manufacturer | Specialized |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Carbon |
| Sizes |
- 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 25c Specialized All Conditions Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Dura-Ace STI Dual Control Levers Shimano Dura-Ace Dual Pivot Brakes |
| Hubs for disc brakes | Shimano WH-7701 |
| Rims manufacturer | 14-hole Shimano WH-7701 |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | Bladed Shimano Stainless Steel |
Frame and Body Specs
| Frame materials | Carbon Fiber Composite |
| Frame type | Bonded and monocoque |
| Handlebar construction | Specialized Roubaix |
| Handlebar extender | Not Available |
| Handlebar stem details | Specialized Roubaix |
| Headset size | 1 1/8 (inches) Integrated Specialized Mindset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-7700 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 109.5 (millimeters) Spindle Shimano Dura-Ace |
| Crankset parts and sizes | 39/53 Teeth Shimano Dura-Ace |
| Gear shift levers | Shimano Dura-Ace STI Dual Control |
| Rear gear set | 12 - 25 Teeth 10-speed |
Specialized Roubaix Pro Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Dura-Ace |
| Derailleur (Rear) | Shimano Dura-Ace SS |
| Fork material | Unicrown Crown Carbon Fiber Composite With Carbon Fiber Steerer |
| Fork type | Specialized Zertz |
Other Specs of Specialized Roubaix Pro
| Component group sets | Shimano Dura-Ace |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Body Geometry Telluride |
| Seat post extension | 27.2 (millimeters) Diameter Specialized Pave |
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Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Tachyon 4.0 bike manual
- Find All parts, tires and accessories of GT Tachyon 4.0 Road here
- Get your Specialized Roubaix Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Roubaix Pro Road here