Specialized SIRRUS 2007 VS Nishiki OPTIMA SC 1999 specs comparison
Specialized Sirrus
General Infos| Model | Sirrus |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Blue - Red and Silver -Gray |
| 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 |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano EF-50 Levers 6061 Linear Pull Brakes |
| Hubs for disc brakes | Specialized Alloy |
| Rims manufacturer | 32-hole Rear: Alex R500 Front: Alex R-500 |
| 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 | Specialized Event |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized 3D |
| Headset size | 1 1/8 (inches) Integrated Specialized Mindset |
Gearing Specifications
| Bicycle chain | KMC Z72 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 113 (millimeters) Spindle Sport Cartridge |
| Crankset parts and sizes | 28/38/48 Teeth Sugino XD |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 12 - 25 Teeth 8-speed |
Specialized Sirrus Fork System Data
| Derailleur (Front) | 31.8 (millimeters) Clamp Shimano T301 |
| Derailleur (Rear) | Shimano Sora |
| Fork material | Unicrown Crown Aluminum and chromoly Steerer |
| Fork type | Specialized Comp |
Other Specs of Specialized Sirrus
| Component group sets | Co (millimeters)uter Mix |
| 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 Alloy Suspension |
Nishiki Optima SC
General Infos| Model | Optima SC |
| Manufacturer | Nishiki |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Champagne Vapor (White) |
| Sizes |
- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches) - womens 16 (inches) - womens 19 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Kenda K-847 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro 379A Levers Tektro 824A Linear-pull Brakes |
| Hubs for disc brakes | Shimano RM40 |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Adjustable Aluminum |
| Headset size | 1 1/8 (inches) Victor VP-H67 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 117.5 (millimeters) Spindle Victor VPB-33 |
| Crankset parts and sizes | 24/34/42 Teeth Shimano AceraX |
| Gear shift levers | Shimano Revo TY-40 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Nishiki Optima SC Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano AceraX Top-swing |
| Derailleur (Rear) | Shimano AceraX |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Nishiki |
Other Specs of Nishiki Optima SC
| Component group sets | Hybrid Mix |
| Pedals details | Victor VP-806 |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Stratos Hyper Expert Duo-Compound Lycra Comfort |
| Seat post extension | 26.0 (millimeters) Diameter Suspension Aluminum |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Sirrus bike manual
- Find All parts, tires and accessories of Specialized Sirrus Commuter here
- Get your Nishiki Optima SC manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Nishiki Optima SC Commuter here