Schwinn SIERRA 21 2011 VS GT AEROSTREAM WOMENS 2011 specs comparison
Schwinn Sierra 21
General Infos| Model | Sierra 21 |
| Manufacturer | Schwinn |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- black -Red |
| Sizes |
- S |
| Sizes |
- S |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Schwinn |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Promax Alloy Levers ProMax Linear-pull Brakes |
| Hubs for disc brakes | KT Alloy |
| Rims manufacturer | 32-hole Alex IC-1000 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | Schwinn N'Litened Aluminum |
| Frame type | Aluminum |
| Handlebar construction | 25-degree Bend 80 (millimeters) Rise |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy 30 Deg Rise Comfort |
| Headset size | 1 1/8 (inches) Threaded |
Gearing Specifications
| Bicycle chain | KMC Z-51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 42/34/24t Teeth Schwinn S Logo Forged Alloy |
| Gear shift levers | Shimano Revo Twist |
| Rear gear set | Not Available |
Schwinn Sierra 21 Fork System Data
| Derailleur (Front) | Shimano TX50 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Not Available |
| Fork type | Rigid Frame |
Other Specs of Schwinn Sierra 21
| Component group sets | Co (millimeters)uter Mix |
| Pedals details | Nylon Comfort |
| Rear shock absorber | Not Available |
| Saddle seat | Comfort Tuned |
| Seat post extension | 26.8 (millimeters) Diameter Alloy Suspension |
GT Aerostream Womens
General Infos| Model | Aerostream Womens |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- pink metallic -Chocolate |
| Sizes |
- S - M |
Wheels And Breaking System
| Bike front tire | 700 X 47c |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Nexus Levers Tektro V Brakes |
| Hubs for disc brakes | Rear: Shimano Nexus Front: Alloy Sealed Mechanism |
| Rims manufacturer | 700c Brushed Singlewall Alloy |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | 7000 aluminum c |
| Frame type | Aluminum |
| 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 | GT Streamline Belt |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Semi Cartridge |
| Crankset parts and sizes | Alloy 3 Piece |
| Gear shift levers | Shimano Nexus |
| Rear gear set | Not Available |
GT Aerostream Womens Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | GT Strealmine |
Other Specs of GT Aerostream Womens
| Component group sets | Comfort Mix |
| Pedals details | Dual Density Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT Streamline |
| Seat post extension | GT Alloy Micro Adjust |
Useful links and guides ....
- To know more about this exacte bike, Schwinn provided us with the latest version of its Sierra 21 bike manual
- Find All parts, tires and accessories of Schwinn Sierra 21 Commuter here
- Get your GT Aerostream Womens manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Aerostream Womens Commuter here