Electra TOWNIE 21 2008 VS Trek NAVIGATOR 400 2004 specs comparison
Electra Townie 21
General InfosModel | Townie 21 |
Manufacturer | Electra |
Year of production | 2008 |
Current price | Check price Here ==> |
Color choice | - Black Satin- Silver Mirror-Blue Metallic |
Sizes | - Standard size for everyone |
Sizes | - Standard size for everyone |
Wheels And Breaking System
Bike front tire | 26 X 2.00 (inches) Semi-slick Street |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano EZ-Fire LeversLinear Pull Brakes |
Hubs for disc brakes | Alloy |
Rims manufacturer | 32-holeAlloy |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | 6061 Alloy c |
Frame type | TIG-welded |
Handlebar construction | Electra Custom |
Handlebar extender | Not Available |
Handlebar stem details | Alloy |
Headset size | 1 1/8 (inches) Threaded |
Gearing Specifications
Bicycle chain | KMC Z51 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Cartridge |
Crankset parts and sizes | 28/38/48 TeethAlloy |
Gear shift levers | Shimano EZ-Fire |
Rear gear set | 14 - 34 Teeth7-speed |
Electra Townie 21 Fork System Data
Derailleur (Front) | Shimano Tourney |
Derailleur (Rear) | Shimano Tourney |
Fork material | Single |
Fork type | SR Suntour XCT |
Other Specs of Electra Townie 21
Component group sets | Comfort Mix |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | Electra Ergonomical Townie |
Seat post extension | Alloy Pillar |

Trek Navigator 400
General InfosModel | Navigator 400 |
Manufacturer | Trek |
Year of production | 2004 |
Current price | Check price Here ==> |
Color choice | -Gold and Dark Blue |
Sizes | - 14.5 (inches)- 16.5 (inches)- 18.5 (inches)- 21 (inches)- womens 14.5 (inches)- womens 16.5 (inches)- womens 18.5 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.95 (inches) Bontrager Comfort HC |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Aluminum Linear-pull LeversShimano M420 Front and Shimano Roller Brake Rear Brakes |
Hubs for disc brakes | Q and R Rear: Shimano NexusFront: Aluminum |
Rims manufacturer | 32-holeMatrix 750 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | Aluminum |
Frame type | TIG-welded |
Handlebar construction | Bontrager Bar-Keeper |
Handlebar extender | Optional |
Handlebar stem details | Adjustable Rise |
Headset size | 1 1/8 (inches) Threadless Aheadset |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 38 TeethTien Shin |
Gear shift levers | Shimano Nexus Revo |
Rear gear set | 20 Teeth8-speed Internal |
Trek Navigator 400 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Single CrownAluminum |
Fork type | 50 (millimeters) TravelRST CT-COM1-T4 |
Other Specs of Trek Navigator 400
Component group sets | Mountain Mix |
Pedals details | Dual Density With Flashing Lights |
Rear shock absorber | Not Available |
Saddle seat | Bontrager Webspring |
Seat post extension | SuspensionAluminum |
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 Trek Navigator 400 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Navigator 400 Commuter here