Schwinn CIRCUIT 1998 VS Opus CRESCENDO 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

Opus Crescendo

General Infos

Model	Crescendo
Manufacturer	Opus
Year of production	2008
Current price	Check price Here ==>
Color choice	-White and Yellow
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Tektro R-720 Brakes
Hubs for disc brakes	Mavic Ksyrium Equipe
Rims manufacturer	Mavic Ksyrium Equipe
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	T-700 Carbon Ga (millimeters)a 30
Frame type	Monocoque
Handlebar construction	Ora Race Ergo
Handlebar extender	Optional
Handlebar stem details	Ora OS-007
Headset size	1 1/8 (inches) Integrated TH

Gearing Specifications

Bicycle chain	Shimano CN-5600
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano FC-R600
Crankset parts and sizes	34/50 Teeth Shimano FC-R600
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 25 Teeth 10-speed

Opus Crescendo Fork System Data

Derailleur (Front)	Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	Ora RC2

Other Specs of Opus Crescendo

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Ora Quantum
Seat post extension	31.6 (millimeters) Diameter Ora Carbon