Electra TOWNIE 21 2004 VS GT ZUM 4.0 2006 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 ZuM 4.0
General Infos| Model | ZuM 4.0 |
| Manufacturer | GT |
| Year of production | 2006 |
| Current price | Check price Here ==> |
| Color choice |
-Light Silver |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 26 X 1.25 (inches) Tioga City Slicker |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | 110 (millimeters) Arms 70 (millimeters) DIN Pads Brakes Shimano ST-EF29 Levers Tektro Linear Pull |
| Hubs for disc brakes | Rear: Alloy QR Casette Hub Front: Alloy QR Hub |
| Rims manufacturer | Double Wall Alloy Rims With CNC Type Sidewall |
| Spoke nipples type | Brass CP |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | GT Triple Triangle 6061 Custom Tube-set |
| Frame type | TIG-welded |
| Handlebar construction | Butted 6061 Heat Treated Aluminum GT Riser Bar |
| Handlebar extender | Not Available |
| Handlebar stem details | Threadless 25 Degree Rise With 4 Bolt Alum Face Plate GT ATB |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge Sealed |
| Crankset parts and sizes | 22/32/44 Teeth Suntour XCT-252 |
| Gear shift levers | Shimano ST-EF29 |
| Rear gear set | 11 - 32 Teeth 8-speed |
GT ZuM 4.0 Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Steel and aluminum and magnesium |
| Fork type | 50 (millimeters) SR NRX-6000 |
Other Specs of GT ZuM 4.0
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | High Impact Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Speed V |
| Seat post extension | GT Aluminum 6061 |
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 ZuM 4.0 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT ZuM 4.0 Commuter here