Electra TOWNIE 21 2004 VS GT AEROSTREAM 2009 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 |
GT Aerostream
General Infos| Model | Aerostream |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Silver -Olive |
| Sizes |
- Small - medium - large |
Wheels And Breaking System
| Bike front tire | 700 X 47c |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Tektro 4-Finger With Kraton Rubber Insert Levers Tektro V-brake Brakes |
| Hubs for disc brakes | Rear: Shimano Nexus 3 Speed Internal Gear Front: Alloy Sealed |
| Rims manufacturer | Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | Hydroformed Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Streamline Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | GT Streamline Quill |
| Headset size | 1 1/8 (inches) Threaded |
Gearing Specifications
| Bicycle chain | Gates Belt |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Cartridge |
| Crankset parts and sizes | Alloy 3-Piece |
| Gear shift levers | Shimano Nexus 3 Revo Twist |
| Rear gear set | 3-speed Internal |
GT Aerostream Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | GT Streamline |
Other Specs of GT Aerostream
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Dual Density Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT Streamline |
| Seat post extension | Alloy Micro Adjust |
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 GT Aerostream manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Aerostream Commuter here