Schwinn CIRCUIT 1998 VS Trek 2.1 2008 specs comparison

Schwinn Circuit

General Infos

Model	Circuit
Manufacturer	Schwinn
Year of production	1998
Current price	Check price Here ==>
Color choice	-Metallic red
Sizes	- 48 cm (centimeters) - 50 cm (centimeters) - 52 cm (centimeters) - 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters)
Sizes	- 48 cm (centimeters) - 50 cm (centimeters) - 52 cm (centimeters) - 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (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 105SC Levers Shimano RX-100 Dual Pivot Brakes
Hubs for disc brakes	Q and R Rear: Shimano RX-100 Front: Formula Aluminum
Rims manufacturer	32-hole Mavic CXP 21
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Scott Drop
Handlebar extender	Optional
Handlebar stem details	Kalloy Aluminum
Headset size	1 (inches) Tioga Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	30/42/52 Teeth Shimano RX-100
Gear shift levers	Shimano 105SC STI Dual Control
Rear gear set	13 - 26 Teeth 8-speed

Schwinn Circuit Fork System Data

Derailleur (Front)	Shimano RX-100 Top-swing
Derailleur (Rear)	Shimano RX-100 GS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Ruby

Other Specs of Schwinn Circuit

Component group sets	Road Mix
Pedals details	Scott Clipless
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Slim
Seat post extension	JD Components 495

Trek 2.1

General Infos

Model	2.1
Manufacturer	Trek
Year of production	2008
Current price	Check price Here ==>
Color choice	-Metallic Silver and Carrera Blue
Sizes	- 43cm (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 Bontrager Race Lite
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Tiagra Levers Alloy Dual Pivot Brakes
Hubs for disc brakes	Bontrager SSR
Rims manufacturer	Bontrager SSR
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Black Aluminum With TCT Carbon Stays
Frame type	TIG-welded
Handlebar construction	Bontrager Select VR OS
Handlebar extender	Optional
Handlebar stem details	Bontrager Select OS
Headset size	Aheadset

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	34/50 Teeth Bontrager Select
Gear shift levers	Shimano Tiagra
Rear gear set	11 - 26 Teeth 9-speed

Trek 2.1 Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon Fiber and aluminum Steerer
Fork type	Bontrager Race Carbon

Other Specs of Trek 2.1

Component group sets	Shimano Tiagra
Pedals details	Nylon With Clip And Strap
Rear shock absorber	Not Available
Saddle seat	Bontrager Race Basic
Seat post extension	Bontrager Carbon