Schwinn CIRCUIT 1998 VS Trek 2100 2004 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 2100

General Infos

Model	2100
Manufacturer	Trek
Year of production	2004
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Bontrager Select
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 105 STI Dual Control Levers Aluminum Dual Pivot Brakes
Hubs for disc brakes	Bontrager Select
Rims manufacturer	20-hole and 24-hole Bontrager Select
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Carbon Seat Stays Aluminum
Frame type	TIG-welded and bonded
Handlebar construction	Bontrager Race Lite
Handlebar extender	Optional
Handlebar stem details	Bontrager Race Lite
Headset size	1 1/8 (inches) Threadless Cane Creek

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	30/42/52 Teeth Bontrager Race
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	12 - 25 Teeth 9-speed

Trek 2100 Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Unicrown Crown Carbon Fiber With Aluminum Steerer
Fork type	Bontrager Race Carbon

Other Specs of Trek 2100

Component group sets	Road Mix
Pedals details	Shimano PD-M520 SPD
Rear shock absorber	Not Available
Saddle seat	Bontrager CRZ
Seat post extension	Bontrager Race X Lite