Schwinn CIRCUIT 1999 VS BH G4/ DURA-ACE 2008 specs comparison
Schwinn Circuit
General Infos| Model | Circuit |
| Manufacturer | Schwinn |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Jet Black |
| Sizes |
- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 62cm (centimeters) |
| Sizes |
- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 62cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 23c Schwinn Natural 66 |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano 105 STI Levers Shimano 105 Dual Pivot Brakes |
| Hubs for disc brakes | Shimano 105 |
| Rims manufacturer | 32-hole Mavic CXP 21 |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Reynolds 853 |
| Frame type | TIG-welded |
| Handlebar construction | TTT Podium |
| Handlebar extender | Optional |
| Handlebar stem details | Kalloy |
| Headset size | 1 (inches) Tioga |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG72 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano BB-5500 |
| Crankset parts and sizes | 39/53 Teeth Shimano 105 |
| Gear shift levers | Shimano 105 STI Dual Control |
| Rear gear set | 12 - 26 Teeth 9-speed |
Schwinn Circuit Fork System Data
| Derailleur (Front) | Shimano 105 |
| Derailleur (Rear) | Shimano 105 GS |
| Fork material | Unicrown Crown Aluminum |
| Fork type | Schwinn |
Other Specs of Schwinn Circuit
| Component group sets | Shimano 105 |
| Pedals details | Ritchey Logic Sport |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Slim |
| Seat post extension | JD Components 495 |
BH G4/ Dura-Ace
General Infos| Model | G4/ Dura-Ace |
| Manufacturer | BH |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-White and Carbon |
| Sizes |
- 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 23c Vittoria Diamante Pro Light |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Shimano Dura-Ace Levers Shimano Dura-Ace Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | Shimano Dura-Ace CL |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | BH G4 Nano Carbon |
| Frame type | Monocoque |
| Handlebar construction | FSA SLK Carbon |
| Handlebar extender | Optional |
| Handlebar stem details | FSA OS-99 |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Hollowtech II |
| Crankset parts and sizes | 39/53 Teeth Shimano Dura-Ace Hollowtech II |
| Gear shift levers | Shimano Dura-Ace STI |
| Rear gear set | 12 - 25 Teeth 10-speed |
BH G4/ Dura-Ace Fork System Data
| Derailleur (Front) | Shimano Dura-Ace |
| Derailleur (Rear) | Shimano Dura-Ace |
| Fork material | Aero Crown Carbon |
| Fork type | BH Carbon HM UL |
Other Specs of BH G4/ Dura-Ace
| Component group sets | Shimano Dura-Ace |
| Pedals details | Not Available |
| Rear shock absorber | Not Available |
| Saddle seat | Pro Logo Nago Ti |
| Seat post extension | Integrated Carbon Seat Mast |
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 BH G4/ Dura-Ace manual book version yo know further about this bike
- Saddles, tires And mechanical parts for BH G4/ Dura-Ace Road here