GT ZUM 4.0 2006 VS Electra TOWNIE ORIGINAL 21D 2011 specs comparison
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 |
| 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 |
Electra Townie Original 21D
General Infos| Model | Townie Original 21D |
| Manufacturer | Electra |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- black satin - liquid silver - matte blue - silver metallic - white -Newport blue |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 26 X 2.0'' Semi-slick Street |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Alloy Levers Alloy Linear Pull Brakes |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | 32-hole Electra Doublewall Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | 6061 Alloy c |
| Frame type | Alloy |
| Handlebar construction | Alloy Custom Bend Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) Steel |
Gearing Specifications
| Bicycle chain | KMC Z51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | Forged Alloy |
| Gear shift levers | Shimano EZ Fire |
| Rear gear set | 14 - 34 Teeth 7-speed |
Electra Townie Original 21D Fork System Data
| Derailleur (Front) | Shimano Tourney |
| Derailleur (Rear) | Shimano Tourney |
| Fork material | Alloy |
| Fork type | Suntour XCT Alloy Suspension |
Other Specs of Electra Townie Original 21D
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Ergonomic With Soft Lycra |
| Seat post extension | Alloy Pillar |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its ZuM 4.0 bike manual
- Find All parts, tires and accessories of GT ZuM 4.0 Commuter here
- Get your Electra Townie Original 21D manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Electra Townie Original 21D Commuter here