Schwinn Circuit 2007 Technical specs and features

Brand Schwinn
Model Circuit
First production 2007
Bike category Road
Bike sub-category Road Race & Triathlon
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Parts And Accessories Schwinn Circuit Parts   
Available Sizes - Xsmall
- small
- medium
- large
- xlarge


Wheels And Breaking System

Bike front tire700 X 23c Schwalbe Blizzard Sport
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano ST-2203 Levers
Promax Caliper Brakes
Hubs for disc brakesJoy Tech Alloy Sealed
Rims manufacturer 32-hole
Weinmann DA-16
Spoke nipples typeBrass UCP
Spoke wheelED Black Steel

Frame and Body Specifications

Frame materialsAluminum
Frame typeTIG-welded
Handlebar constructionAlloy
Handlebar extenderOptional
Handlebar stem detailsAlloy
Headset size1 1/8 (inches) VP M-H501

Gearing Specs

Bicycle chainKMC Z72
Bottom bracket shell width68 (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 leversShimano 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 typeSchwinn N'Gauged

Other Specs of Schwinn Circuit

Component group setsRoad Mix
Available colors - Indigo Blue
Weight Unspecified
Pedals detailsNylon With Clip And Strap
Rear shock absorberNot Available
Saddle seatViscount V12325
Seat post extension 27.2 (millimeters) Diameter
Alloy Micro-adjust


Schwinn Circuit bike review

Schwinn produced the Circuit bike in 2007 and can be classified as a Road bicycle, this exact model costs in american market arround $524.99.
Circuit bike is available in many sizes such as Xsmall , small , medium , large and xlarge .
Schwinn Road Circuit can be found in a few colors, among these colors Indigo Blue .
This bike is equiped with 700 x 23c Schwalbe Blizzard Sport tires and ED Black Steel spoke wheel while the rims are manufactured by Weinmann DA-16, 32-hole. Schwinn equiped this exact model with Promax caliper brakes, Shimano ST-2203 levers braking system and Joy Tech alloy sealed hubs.
To guarantee the comfiest ride Schwinn used Aluminum material for the frame. Alloy high strength material is used on the handlebar of this Circuit to ensure the perfect handling while the stems are made of Alloy.
For the smoothest biking experience Truvativ ISO Flow Road, 30/42/52 teeth is used on this bicycle linked to KMC Z72 chain that is easily replaceable as stated by Schwinn, the whole system is connected to a high reliability Shimano ST-2203 gear shift levers.