GT AEROSTREAM 2009 VS Specialized SAN FRANCISCO 1 2009 specs comparison
GT Aerostream
General InfosModel | Aerostream |
Manufacturer | GT |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | - Silver-Olive |
Sizes | - Small - medium - large |
Sizes | - Small - medium - large |
Wheels And Breaking System
Bike front tire | 700 X 47c |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Tektro 4-Finger With Kraton Rubber Insert LeversTektro V-brake Brakes |
Hubs for disc brakes | Rear: Shimano Nexus 3 Speed Internal GearFront: Alloy Sealed |
Rims manufacturer | Alloy |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Stainless |
Frame and Body Specs
Frame materials | Hydroformed Aluminum |
Frame type | TIG-welded |
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 | Gates Belt |
Bottom bracket shell width | Not Available |
Bottom bracket type | Shimano Cartridge |
Crankset parts and sizes | Alloy 3-Piece |
Gear shift levers | Shimano Nexus 3 Revo Twist |
Rear gear set | 3-speed Internal |
GT Aerostream Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | GT Streamline |
Other Specs of GT Aerostream
Component group sets | Co (millimeters)uter Mix |
Pedals details | Dual Density Platform |
Rear shock absorber | Not Available |
Saddle seat | GT Streamline |
Seat post extension | Alloy Micro Adjust |

Specialized San Francisco 1
General InfosModel | San Francisco 1 |
Manufacturer | Specialized |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | -Gloss Silver |
Sizes | - 16 (inches)- 17.5 (inches)- 19 (inches)- 21 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.50 (inches) Specialized Nimbus Sport |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Avid FR-5 LeversAvid BB5 Brakes |
Hubs for disc brakes | Specialized Hi Lo Disc |
Rims manufacturer | 32-holeSpecialized HRD DW |
Spoke nipples type | Not Available |
Spoke wheel | 15ga. Stainless Steel |
Frame and Body Specs
Frame materials | Specialized A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | Globe Alloy |
Handlebar extender | Optional |
Handlebar stem details | Globe 3D Forged 8deg. |
Headset size | 1 1/8 (inches) Integrated |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)Shimano |
Bottom bracket shell width | Not Available |
Bottom bracket type | Shimano BB-UN25 |
Crankset parts and sizes | 42 TeethSugino |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
Specialized San Francisco 1 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownA1 Premium Aluminum |
Fork type | Globe |
Other Specs of Specialized San Francisco 1
Component group sets | Co (millimeters)uter Mix |
Pedals details | Globe Body GeometryAnti-slip Composite |
Rear shock absorber | Not Available |
Saddle seat | Specialized Body Geometry |
Seat post extension | 27.2 (millimeters) DiameterSpecialized Alloy Two Bolt |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Aerostream bike manual
- Find All parts, tires and accessories of GT Aerostream Commuter here
- Get your Specialized San Francisco 1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized San Francisco 1 Commuter here