Jamis ALLEGRO 4 2010 VS Specialized SIRRUS PRO 2007 specs comparison
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➜ Jamis Allegro 4 price
➜ Specialized Sirrus Pro price
Jamis Allegro 4
General Infos| Model | Allegro 4 |
| Manufacturer | Jamis |
| Year of production | 2010 |
| Current price | 🛒 View Price → |
| Color choice | -Gloss Black and Pearl White |
| Sizes | - 15 (inches)- 17 (inches)- 19 (inches)- 21 (inches)- 23 (inches) |
| Sizes | - 15 (inches)- 17 (inches)- 19 (inches)- 21 (inches)- 23 (inches) |
Wheels And Breaking System
| Bike front tire | 700 X 28c Vittoria Rondenour |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Tektro RX-1.0 LeversTektro RX-1.0 Mini V With Modulator Front and Tektro RX-1.0 Mini V Rear Brakes |
| Hubs for disc brakes | Alex ALX-200 |
| Rims manufacturer | 20-hole and 24-holeAlex ALX-200 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. DT Champion |
Frame and Body Specs
| Frame materials | 6061 Triple Butted Aluminum With Hydroform TT & DT |
| Frame type | TIG-welded |
| Handlebar construction | Jamis Alloy Flat Bar |
| Handlebar extender | Optional |
| Handlebar stem details | NVO F-2 Adjustable |
| Headset size | 1 1/8 (inches) Threadless FSA Integrated IS |
Gearing Specifications
| Bicycle chain | KMC DX10SC |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 108 (millimeters) SpindleFSA Powerdrive |
| Crankset parts and sizes | 50/34 TeethFSA Vero Compact With Power Drive |
| Gear shift levers | Shimano SL-R770 Rapidfire Plus SL |
| Rear gear set | 11 - 25 Teeth10-speed |
Jamis Allegro 4 Fork System Data
| Derailleur (Front) | Bottom PullShimano R770 |
| Derailleur (Rear) | Shimano 105 |
| Fork material | Unicrown CrownCarbon Composite |
| Fork type | Jamis |
Other Specs of Jamis Allegro 4
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Ischia |
| Seat post extension | 27.2 (millimeters) DiameterJamis Carbon Fiber Micro Adjust |
Specialized Sirrus Pro
General Infos| Model | Sirrus Pro |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | 🛒 View Price → |
| Color choice | -Silver |
| 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 LeversAvid Juicy 7 Front and Avid Single-Digit 7 Rear Brakes |
| Hubs for disc brakes | Specialized Alloy |
| Rims manufacturer | 24-hole and 28-holeJalco GX460 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight GaugeStainless 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 TeethFSA Gossamer |
| Gear shift levers | Shimano R770 |
| Rear gear set | 12 - 27 Teeth1-speed |
Specialized Sirrus Pro Fork System Data
| Derailleur (Front) | Shimano Ultegra |
| Derailleur (Rear) | Shimano 105 |
| Fork material | Aero CrownCarbon 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) DiameterSpecialized Pavé II |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its Allegro 4 bike manual
- Find All parts, tires and accessories of Jamis Allegro 4 Commuter here
- Get your Specialized Sirrus Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Sirrus Pro Commuter here