Jamis COMMUTER 4 2011 VS Specialized SIRRUS COMP 2007 specs comparison
Jamis Commuter 4
General Infos| Model | Commuter 4 |
| Manufacturer | Jamis |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- pearl white -Winter blue |
| Sizes |
- M: 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 F: 14 (inches) - 18 (inches) |
| Sizes |
- M: 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 F: 14 (inches) - 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 Tektro Linear Pull Brakes |
| Hubs for disc brakes | Rear: Shimano Nexus Inter-8 Front: Shimano DH2N35 Dynamo Hub |
| Rims manufacturer | 36-hole Alex ID-19 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless Steel Stainless |
Frame and Body Specs
| Frame materials | 6061 Triple Gauge Aluminum |
| Frame type | Aluminum |
| Handlebar construction | Jamis ARC |
| Handlebar extender | Optional |
| Handlebar stem details | NVO Components |
| Headset size | 1 1/8 (inches) VP Slimstack |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 122.5 (millimeters) Spindle Sealed Cartridge |
| Crankset parts and sizes | 42T Teeth Forged Alloy |
| Gear shift levers | Shimano RevoShift SL-8S20 |
| Rear gear set | 20 Teeth 1-speed |
Jamis Commuter 4 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Aluminum |
| Fork type | Jamis City and Cross |
Other Specs of Jamis Commuter 4
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | City Style Full Alloy |
| Rear shock absorber | Not Available |
| Saddle seat | Jamis Metro Sport |
| Seat post extension | 27.2 (millimeters) Diameter Jamis Alloy Micro-adjust |
Specialized Sirrus Comp
General Infos| Model | Sirrus Comp |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| 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 | Forged Alloy Linear Pull Levers 6061 Linear Pull 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 CN-HG73 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 113 (millimeters) Spindle Sport Cartridge |
| Crankset parts and sizes | 30/39/50 Teeth Sugino Comp |
| Gear shift levers | Shimano R440 |
| Rear gear set | 12 - 26 Teeth 9-speed |
Specialized Sirrus Comp Fork System Data
| Derailleur (Front) | Shimano Tiagra |
| Derailleur (Rear) | Shimano Tiagra |
| Fork material | Aero Crown Carbon and aluminum Steerer |
| Fork type | Specialized FACT |
Other Specs of Specialized Sirrus Comp
| Component group sets | Shimano Tiagra |
| Pedals details | Alloy Cage With Toe Clips And Straps Composite Body |
| Rear shock absorber | Not Available |
| Saddle seat | Body Geometry Milano Comfort Max |
| Seat post extension | 27.2 (millimeters) Diameter Specialized Carbon Fiber |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its Commuter 4 bike manual
- Find All parts, tires and accessories of Jamis Commuter 4 Commuter here
- Get your Specialized Sirrus Comp manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Sirrus Comp Commuter here