Specialized SIRRUS PRO 2004 VS K2 ASTRAL 4.0 2005 specs comparison
Specialized Sirrus Pro
General Infos| Model | Sirrus Pro |
| Manufacturer | Specialized |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Brushed and Blue |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 700 X 28c Specialized All Conditions Spo |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Deore M525 Hydraulic Levers Shimano Deore M525 Hydraulic Disc Brakes |
| Hubs for disc brakes | Specialized Aluminum |
| Rims manufacturer | 32-hole Alex AT-400 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Specialized Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Carbon |
| Handlebar extender | Optional |
| Handlebar stem details | Adjustable Specialized Aluminum |
| Headset size | 1 1/8 (inches) Threadless Aluminum Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG73 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-5500 |
| Crankset parts and sizes | 30/42/52 Teeth Specialized |
| Gear shift levers | Shimano SL-R440 |
| Rear gear set | 12 - 25 Teeth 9-speed |
Specialized Sirrus Pro Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore |
| Derailleur (Rear) | Shimano Ultegra GS |
| Fork material | Unicrown Crown Aluminum |
| Fork type | Specialized |
Other Specs of Specialized Sirrus Pro
| Component group sets | Hybrid Mix |
| Pedals details | Shimano PD-M520 SPD |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Body Geometry Milano Comfort Max |
| Seat post extension | 27.2 (millimeters) Diameter Specialized Pave |
K2 Astral 4.0
General Infos| Model | Astral 4.0 |
| Manufacturer | K2 |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and Silver |
| Sizes |
- Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | 700 X 28c Vittoria Randonneur |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Tektro Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | Q and R Aluminum |
| Rims manufacturer | 32-hole Alex DA-16 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7000 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum Flat Bar |
| Handlebar extender | Optional |
| Handlebar stem details | Adjustable Aluminum |
| Headset size | 1 1/8 (inches) Integrated TH Intelliset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC HG-53 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28/38/48 Teeth TruVativ Five-D |
| Gear shift levers | Shimano ST-R443 |
| Rear gear set | 11 - 28 Teeth 8-speed |
K2 Astral 4.0 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on Shimano FD-R443 |
| Derailleur (Rear) | Shimano Tiagra GS |
| Fork material | Unicrown Crown Aluminum |
| Fork type | K2 |
Other Specs of K2 Astral 4.0
| Component group sets | Hybrid Mix |
| Pedals details | Aluminum Cage With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | K2 ComfortTech |
| Seat post extension | Aluminum 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 Hybrid here
- Get your K2 Astral 4.0 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for K2 Astral 4.0 Hybrid here