Schwinn Circuit 1999 Technical specs and features
| Brand | Schwinn |
| Model | Circuit |
| First production | 1999 |
| Bike category | Road |
| Bike sub-category | Road Race & Triathlon |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Schwinn Circuit Parts |
| Available Sizes | - 19 (inches) / 48 (cm) - 20 (inches) / 50 (cm) - 20 (inches) / 52 (cm) - 21 (inches) / 54 (cm) - 22 (inches) / 56 (cm) - 23 (inches) / 58 (cm) - 24 (inches) / 60 (cm) - 24 (inches) / 62 (cm) |
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 Specifications
| 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 Specs
| 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 |
| Available colors | - Jet Black |
| Weight | Not Available |
| Pedals details | Ritchey Logic Sport |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Slim |
| Seat post extension | JD Components 495 |
Schwinn Circuit picture
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Schwinn Circuit bike review
Schwinn produced the Circuit bike in 1999 and can be classified as a Road bicycle, this exact model costs in american market arround $1,299.00.
Circuit bike is available in many sizes such as 48cm (centimeters), 50cm (centimeters), 52cm (centimeters), 54cm (centimeters), 56cm (centimeters), 58cm (centimeters), 60cm (centimeters) and 62cm (centimeters).
Schwinn Road Circuit can be found in one single color which is Jet Black.
This bike is equiped with 700 x 23c Schwinn Natural 66 tires and Stainless steel spoke wheel while the rims are manufactured by Mavic CXP 21, 32-hole. Schwinn equiped this exact model with Shimano 105 Dual Pivot brakes, Shimano 105 STI levers braking system and Shimano 105 hubs.
To guarantee the comfiest ride Schwinn used Reynolds 853 material for the frame. TTT Podium high strength material is used on the handlebar of this Circuit to ensure the perfect handling while the stems are made of Kalloy.
For the smoothest biking experience Shimano 105, 39/53 teeth is used on this bicycle linked to Shimano CN-HG72 chain that is easily replaceable as stated by Schwinn, the whole system is connected to a high reliability Shimano 105 STI Dual Control gear shift levers.