Specialized ROUBAIX EXPERT ULTEGRA 2008 VS GT SERIES 4 2007 specs comparison
Specialized Roubaix Expert Ultegra
General Infos| Model | Roubaix Expert Ultegra |
| Manufacturer | Specialized |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| Sizes |
- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) - 64cm (centimeters) |
| Sizes |
- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) - 64cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 23c Specialized Roubaix Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Ultegra STI Dual Control Levers Shimano Ultegra Brakes |
| Hubs for disc brakes | Shimano Ultegra |
| Rims manufacturer | Shimano Ultegra |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Zertz Inserts Specialized FACT 8r Carbon |
| Frame type | Bonded and monocoque |
| Handlebar construction | 31.8 (millimeters) Specialized Zertz Pro |
| Handlebar extender | Optional |
| Handlebar stem details | 31.8 (millimeters) Clamp Specialized Pro-Set |
| Headset size | Integrated Threadless 1 1/8 (inches) Threadless Specialized Mindset Plus |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano Ultegra |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Ultegra |
| Crankset parts and sizes | 34/50 Teeth Shimano Ultegra |
| Gear shift levers | Shimano Ultegra STI Dual Control |
| Rear gear set | 12 - 27 Teeth 10-speed |
Specialized Roubaix Expert Ultegra Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on Shimano Ultegra |
| Derailleur (Rear) | Shimano Ultegra |
| Fork material | Aero Crown Carbon and carbon Steerer |
| Fork type | With Zertz Inserts Specialized FACT |
Other Specs of Specialized Roubaix Expert Ultegra
| Component group sets | Shimano Ultegra |
| Pedals details | Test Ride Pedals |
| Rear shock absorber | Not Available |
| Saddle seat | Body Geometry Toupé Gel |
| Seat post extension | 27.2 (millimeters) Diameter FACT Carbon With Zert Inserts Specialized Pro SL |
GT Series 4
General Infos| Model | Series 4 |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 23c Vittoria Zaffiro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Sora STI Levers Tektro Forged Dual Pivot Brakes |
| Hubs for disc brakes | Rear: Shimano Cassette Front: Formula Sealed |
| Rims manufacturer | Alex D22 |
| Spoke nipples type | Brass CP |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Kinesis 6061 Butted Tubing |
| Frame type | TIG-welded |
| Handlebar construction | Alico 6061 |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged Alloy |
| Headset size | 1 1/8 (inches) Threadless TH Intellaset |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Hollowtech II |
| Crankset parts and sizes | Shimano Tiagra |
| Gear shift levers | Shimano Sora STI |
| Rear gear set | 12 - 25 Teeth 8-speed |
GT Series 4 Fork System Data
| Derailleur (Front) | Shimano Compact |
| Derailleur (Rear) | Shimano Tiagra |
| Fork material | Aero Crown Carbon Fiber and aluminum Steerer |
| Fork type | Kinesis Carbon |
Other Specs of GT Series 4
| Component group sets | Road Mix |
| Pedals details | Low Profile Nylon With Toe Clips |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Ponza |
| Seat post extension | HL Alloy |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Roubaix Expert Ultegra bike manual
- Find All parts, tires and accessories of Specialized Roubaix Expert Ultegra Road here
- Get your GT Series 4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Series 4 Road here