Schwinn CIRCUIT 1999 VS Trek 2100 2004 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

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