Jamis BEATNIK 2011 VS Specialized SIRRUS 2012 specs comparison

Jamis Beatnik
General InfosModel | Beatnik |
Manufacturer | Jamis |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice | - olive oil- white shadow-Sugar blue |
Sizes | - 47 (centimeters)- 50 (centimeters)- 53 (centimeters)- 55 (centimeters)- 57 (centimeters)- 62cm (centimeters) |
Sizes | - 47 (centimeters)- 50 (centimeters)- 53 (centimeters)- 55 (centimeters)- 57 (centimeters)- 62cm (centimeters) |
Wheels And Breaking System
Bike front tire | 700 X 25c Vittoria Zaffiro |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Shorty LeversAlloy Caliper Brakes |
Hubs for disc brakes | Formula Alloy |
Rims manufacturer | 32-holeAlex ID-19 |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Hi-tensile |
Frame type | Steel |
Handlebar construction | Alloy |
Handlebar extender | Optional |
Handlebar stem details | Jamis 3D Forged |
Headset size | 1 1/8 (inches) Chrome Aheadset |
Gearing Specifications
Bicycle chain | KMC Z510HX |
Bottom bracket shell width | Not Available |
Bottom bracket type | 116 (millimeters) SpindleCup & Ball With Seal |
Crankset parts and sizes | 46t TeethForged Alloy |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Jamis Beatnik Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Not Available |
Fork type | Unicrown Straight Blade |
Other Specs of Jamis Beatnik
Component group sets | Road Mix |
Pedals details | Touring Platform With Toe Clips |
Rear shock absorber | Not Available |
Saddle seat | Jamis Vintage |
Seat post extension | 27.2 (millimeters) DiameterJamis Alloy Micro-adjust |

Specialized Sirrus
General InfosModel | Sirrus |
Manufacturer | Specialized |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice | - Graphite-Gloss Green |
Sizes | - Small - Medium - Large - Extra large |
Wheels And Breaking System
Bike front tire | Specialized Nimbus Fak Jacket |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Alloy Linear Pull |
Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
Rims manufacturer | Sirrus DLX700 700 X 32 |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | A1 Premium Aluminum |
Frame type | Not Available |
Handlebar construction | Specialized PG Flat Bar25.4 |
Handlebar extender | Not Available |
Handlebar stem details | Alloy 20 Degree |
Headset size | 1 1/8 (inches) Sealed |
Gearing Specifications
Bicycle chain | KMC X8 Nickel Plate |
Bottom bracket shell width | Not Available |
Bottom bracket type | Square 68Sealed Cartridge |
Crankset parts and sizes | Shimano FC-M131 With Chainguard |
Gear shift levers | Shimano EF-51 8spd |
Rear gear set | Not Available |
Specialized Sirrus Fork System Data
Derailleur (Front) | Shimano Topswing |
Derailleur (Rear) | Shimano Altus 8spd |
Fork material | Not Available |
Fork type | Steel Straight Blade |
Other Specs of Specialized Sirrus
Component group sets | Not Available |
Pedals details | Nylon Flat Pedal |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | Body Geomety Targa Sport 155 (millimeters) |
Seat post extension | Alloy 27.2 |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its Beatnik bike manual
- Find All parts, tires and accessories of Jamis Beatnik Commuter here
- Get your Specialized Sirrus manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Sirrus Commuter here