Specialized SIRRUS PRO 2007 VS Jamis COMMUTER 4 2010 specs comparison
Specialized Sirrus Pro
General Infos| Model | Sirrus Pro |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Silver |
| Sizes |
- Xlarge - xsmall - small - medium - large |
| Sizes |
- Xlarge - xsmall - small - medium - large |
Wheels And Breaking System
| Bike front tire | 700 X 28c Specialized All Condition Pro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Avid FR5 Levers Avid Juicy 7 Front and Avid Single-Digit 7 Rear Brakes |
| Hubs for disc brakes | Specialized Alloy |
| Rims manufacturer | 24-hole and 28-hole Jalco GX460 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Body Geometry Event Zertz |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Comp-Set |
| Headset size | 1 1/8 (inches) Integrated Specialized Mindset |
Gearing Specifications
| Bicycle chain | Shimano 105 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA MegaEXO |
| Crankset parts and sizes | 30/39/50 Teeth FSA Gossamer |
| Gear shift levers | Shimano R770 |
| Rear gear set | 12 - 27 Teeth 1-speed |
Specialized Sirrus Pro Fork System Data
| Derailleur (Front) | Shimano Ultegra |
| Derailleur (Rear) | Shimano 105 |
| Fork material | Aero Crown Carbon and aluminum Steerer |
| Fork type | Specialized FACT |
Other Specs of Specialized Sirrus Pro
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Crank Brothers Smarty |
| Rear shock absorber | Not Available |
| Saddle seat | Body Geometry Avatar |
| Seat post extension | 27.2 (millimeters) Diameter Specialized Pavé II |
Jamis Commuter 4
General Infos| Model | Commuter 4 |
| Manufacturer | Jamis |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Pearl White -Benzegreen and Stainless |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches) |
Wheels And Breaking System
| Bike front tire | 700 X 32c Vittoria Adventure Touring |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Tektro Tenera Levers Shimano BR-M416 Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Shimano Alfine Inter-8 Centerlock Disc Front: Shimano Alfine Dynamo Centerlock Disc |
| Rims manufacturer | 36-hole Alex DC25 Disc Rims |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
| Frame materials | 6061 Triple Gauge Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Jamis ARC |
| Handlebar extender | Optional |
| Handlebar stem details | NVO TM4 Adjustable |
| Headset size | 1 1/8 (inches) Threadless VP Slimstack |
Gearing Specifications
| Bicycle chain | KMC Z9000 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 110.5 (millimeters) Spindle Sealed Cartridge |
| Crankset parts and sizes | 48/34t Teeth FSA Vero Compact |
| Gear shift levers | Shimano SL-S500 |
| Rear gear set | 18 Teeth 8-speed Internal |
Jamis Commuter 4 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on Shimano R440 |
| Derailleur (Rear) | Shimano CT-S500 Tensioner |
| Fork material | Unicrown With Tappered Legs Crown Aluminum |
| Fork type | Jamis City and Cross |
Other Specs of Jamis Commuter 4
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | City and Cross Style Alloy |
| Rear shock absorber | Not Available |
| Saddle seat | Jamis Metro Sport |
| Seat post extension | 27.2 (millimeters) Diameter Jamis Alloy Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Sirrus Pro bike manual
- Find All parts, tires and accessories of Specialized Sirrus Pro Commuter here
- Get your Jamis Commuter 4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Jamis Commuter 4 Commuter here