Schwinn CIRCUIT 2007 VS GT GTR SERIES 4 2009 specs comparison
Schwinn Circuit
General Infos| Model | Circuit |
| Manufacturer | Schwinn |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Indigo Blue |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 700 X 23c Schwalbe Blizzard Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano ST-2203 Levers Promax Caliper Brakes |
| Hubs for disc brakes | Joy Tech Alloy Sealed |
| Rims manufacturer | 32-hole Weinmann DA-16 |
| Spoke nipples type | Brass UCP |
| Spoke wheel | ED Black Steel |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) VP M-H501 |
Gearing Specifications
| Bicycle chain | KMC Z72 |
| Bottom bracket shell width | 68 (millimeters) American |
| Bottom bracket type | 113 (millimeters) Spindle Truvativ Cartridge Square Taper |
| Crankset parts and sizes | 30/42/52 Teeth Truvativ ISO Flow Road |
| Gear shift levers | Shimano ST-2203 |
| Rear gear set | 12 - 25 Teeth 8-speed |
Schwinn Circuit Fork System Data
| Derailleur (Front) | Shimano FD-2203 |
| Derailleur (Rear) | Shimano RD-2200 |
| Fork material | Aero Crown Cromo Blades And Steerer |
| Fork type | Schwinn N'Gauged |
Other Specs of Schwinn Circuit
| Component group sets | Road Mix |
| Pedals details | Nylon With Clip And Strap |
| Rear shock absorber | Not Available |
| Saddle seat | Viscount V12325 |
| Seat post extension | 27.2 (millimeters) Diameter Alloy Micro-adjust |
GT GTR Series 4
General Infos| Model | GTR Series 4 |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-White |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 700 X 23c Vittoria Zaffiro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano STI Levers Dual Pivot Brakes |
| Hubs for disc brakes | Rear: Formula Cassette Front: Formula |
| Rims manufacturer | Alex R500 |
| Spoke nipples type | Brass |
| Spoke wheel | 15ga. Stainless |
Frame and Body Specs
| Frame materials | Kinesis 6061 Butted and hydroformed Tubing |
| Frame type | TIG-welded |
| Handlebar construction | GT 6061 |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged |
| Headset size | 1 1/8 (inches) TH Sealed |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 39/50 Teeth FSA Vero |
| Gear shift levers | Shimano STI |
| Rear gear set | 12 - 25 Teeth 8-speed |
GT GTR Series 4 Fork System Data
| Derailleur (Front) | Shimano Compact |
| Derailleur (Rear) | Shimano Sora |
| Fork material | Aero Crown Carbon Fiber and chromoly Steerer |
| Fork type | GT Carbon |
Other Specs of GT GTR Series 4
| Component group sets | Shimano Sora |
| Pedals details | Nylon With Clip And Strap |
| Rear shock absorber | Not Available |
| Saddle seat | GT Road |
| Seat post extension | Alloy |
Useful links and guides ....
- To know more about this exacte bike, Schwinn provided us with the latest version of its Circuit bike manual
- Find All parts, tires and accessories of Schwinn Circuit Road here
- Get your GT GTR Series 4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT GTR Series 4 Road here