Specialized SIRRUS EXPERT 2003 VS Trek 7.7 FX 2011 specs comparison

Specialized Sirrus Expert
General InfosModel | Sirrus Expert |
Manufacturer | Specialized |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | -Burnt Orange |
Sizes | - 47cm (centimeters)- 51cm (centimeters)- 54cm (centimeters)- 57cm (centimeters)- 61cm (centimeters) |
Sizes | - 47cm (centimeters)- 51cm (centimeters)- 54cm (centimeters)- 57cm (centimeters)- 61cm (centimeters) |
Wheels And Breaking System
Bike front tire | 700 X 28c Specialized New Turbo Pro |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Aluminum Linear-pull LeversAluminum Dual Pivot Brakes |
Hubs for disc brakes | Specialized Aluminum |
Rims manufacturer | 32-holeAlex Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | Specialized A1 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Specialized Aluminum |
Handlebar extender | Optional |
Handlebar stem details | AdjustableSpecialized Aluminum |
Headset size | 1 1/8 (inches) Threadless Aluminum Threadless |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-HG50 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | 118 (millimeters) SpindleTange Seiki Sport |
Crankset parts and sizes | 30/42/52 TeethSpecialized Comp |
Gear shift levers | Shimano SL-R440 |
Rear gear set | 12 - 25 Teeth9-speed |
Specialized Sirrus Expert Fork System Data
Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters)Shimano Deore |
Derailleur (Rear) | Shimano Tiagra GS |
Fork material | Unicrown CrownCarbon Fiber Composite With Chromoly Steerer |
Fork type | Specialized C-2 |
Other Specs of Specialized Sirrus Expert
Component group sets | Hybrid Mix |
Pedals details | Specialized Aluminum Platform |
Rear shock absorber | Not Available |
Saddle seat | Specialized Body Geometry Milano Comfort Max |
Seat post extension | 27.2 (millimeters) DiameterSpecialized Future Shock |

Trek 7.7 FX
General InfosModel | 7.7 FX |
Manufacturer | Trek |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice | -Metallic Black |
Sizes | - 15 (inches)- 17.5 (inches)- 20 (inches)- 22.5 (inches)- 25 (inches) |
Wheels And Breaking System
Bike front tire | 700 X 28c Bontrager Race All Weather Hard Case |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Tektro Alloy LeversTektro RX 1.0 Brakes |
Hubs for disc brakes | Bontrager Race |
Rims manufacturer | Bontrager Race |
Spoke nipples type | Not Available |
Spoke wheel | Bontrager Race |
Frame and Body Specs
Frame materials | Alloy |
Frame type | TIG-welded |
Handlebar construction | Bontrager Satellite Plus IsoZone OS |
Handlebar extender | Optional |
Handlebar stem details | Bontrager Race Lite |
Headset size | Slimstack |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 30/39/50 TeethShimano 105 |
Gear shift levers | Shimano R770 |
Rear gear set | 12 - 27 Teeth10-speed |
Trek 7.7 FX Fork System Data
Derailleur (Front) | Shimano R773 |
Derailleur (Rear) | Shimano 105 |
Fork material | Aero CrownCarbon |
Fork type | Bontrager Nebula |
Other Specs of Trek 7.7 FX
Component group sets | Shimano Mix |
Pedals details | Wellgo Single Sided Clipless |
Rear shock absorber | Not Available |
Saddle seat | Bontrager H2 Flex Form |
Seat post extension | Bontrager Race X Lite |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Sirrus Expert bike manual
- Find All parts, tires and accessories of Specialized Sirrus Expert Hybrid here
- Get your Trek 7.7 FX manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 7.7 FX Hybrid here