Electra TOWNIE 21 2004 VS Specialized SIRRUS PRO 2007 specs comparison
Electra Townie 21
General Infos| Model | Townie 21 |
| Manufacturer | Electra |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
- Navy Blue Metallic - Silver Metallic -Baby Blue |
| Sizes |
- Mens - womens |
| Sizes |
- Mens - womens |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Blackwall |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Aluminum Linear-pull Levers Aluminum Linear-pull Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Straight Gauge |
Frame and Body Specs
| Frame materials | 7000 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Adjustable Aluminum |
| Headset size | 1 1/8 (inches) Threadless Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | One-piece Spindle Loose Ball |
| Crankset parts and sizes | Aluminum 3-piece |
| Gear shift levers | Twist-shift |
| Rear gear set | 7-speed |
Electra Townie 21 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney |
| Fork material | Single Crown Aluminum |
| Fork type | RST CT-COM 2 |
Other Specs of Electra Townie 21
| Component group sets | Hybrid Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Electra Padded |
| Seat post extension | Steel Pillar |
Specialized Sirrus Pro
General Infos| Model | Sirrus Pro |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| 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 Levers Avid Juicy 7 Front and Avid Single-Digit 7 Rear 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 105 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA MegaEXO |
| Crankset parts and sizes | 30/39/50 Teeth FSA Gossamer |
| Gear shift levers | Shimano R770 |
| Rear gear set | 12 - 27 Teeth 1-speed |
Specialized Sirrus Pro Fork System Data
| Derailleur (Front) | Shimano Ultegra |
| Derailleur (Rear) | Shimano 105 |
| Fork material | Aero Crown Carbon 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) Diameter Specialized Pavé II |
Useful links and guides ....
- To know more about this exacte bike, Electra provided us with the latest version of its Townie 21 bike manual
- Find All parts, tires and accessories of Electra Townie 21 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