Schwinn SIERRA GSD 2007 VS Electra TOWNIE 21 700C 2008 specs comparison
Schwinn Sierra GSD
General Infos| Model | Sierra GSD |
| Manufacturer | Schwinn |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Green and Light Green -Dark Green and Green |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 13 (inches) - womens 17 (inches) |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 13 (inches) - womens 17 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.90 (inches) Smooth Rolling All Weather Touring |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | ProMax 3-Finger Lever Levers Radius MECH 7.0 Disc Brakes |
| Hubs for disc brakes | Rear: Quandro Alloy Disc With QR Front: Joy Tech Sealed Alloy Disc With QR |
| Rims manufacturer | 32-hole Alex AP17 |
| Spoke nipples type | CP Brass |
| Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Schwinn 'N Litened Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 80 (millimeters) Rise Hi-Ten Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Adjustable |
| Headset size | 1 1/8 (inches) Threaded VP |
Gearing Specifications
| Bicycle chain | KMC Z72 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | VP Semi-cartridge With JIS Square Taper |
| Crankset parts and sizes | 28/38/48 Teeth SR Suntour XCC-T308 |
| Gear shift levers | SRAM ESP 3.0 Comp |
| Rear gear set | 11 - 32 Teeth 8-speed |
Schwinn Sierra GSD Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) SR Suntour FD-CXM208 |
| Derailleur (Rear) | SRAM SX4 |
| Fork material | Single Crown Aluminum and steel |
| Fork type | 63 (millimeters) Travel RST CT-COM 1 |
Other Specs of Schwinn Sierra GSD
| Component group sets | Comfort Mix |
| Pedals details | Nylon Dual-compound Comfort |
| Rear shock absorber | Not Available |
| Saddle seat | Schwinn Comfort Tuned Plus |
| Seat post extension | 26.6 (millimeters) Diameter Alloy Suspension Micro Adjust |
Electra Townie 21 700C
General Infos| Model | Townie 21 700C |
| Manufacturer | Electra |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Platinum |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 700 X 38c Semi-slick Street |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano EZ-Fire Levers Linear Pull Brakes |
| Hubs for disc brakes | Rear: Alloy Cassette Front: Alloy |
| Rims manufacturer | 32-hole Alloy Double Wall |
| 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 Teeth FSA |
| Gear shift levers | Shimano EZ-Fire |
| Rear gear set | 17 - 34 Teeth 7-speed |
Electra Townie 21 700C Fork System Data
| Derailleur (Front) | Shimano Tourney |
| Derailleur (Rear) | Shimano Tourey Megarange |
| Fork material | Unicrown Crown Steel |
| Fork type | Electra |
Other Specs of Electra Townie 21 700C
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Alloy |
| Rear shock absorber | Not Available |
| Saddle seat | Electra Ergonomical Townie |
| Seat post extension | Alloy Pillar |
Useful links and guides ....
- To know more about this exacte bike, Schwinn provided us with the latest version of its Sierra GSD bike manual
- Find All parts, tires and accessories of Schwinn Sierra GSD Commuter here
- Get your Electra Townie 21 700C manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Electra Townie 21 700C Commuter here