Schwinn CIRCUIT 1999 VS Litespeed SIENA DURA ACE 9 SPEED 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

Litespeed Siena Dura Ace 9 Speed

General Infos

Model	Siena Dura Ace 9 Speed
Manufacturer	Litespeed
Year of production	2004
Current price	Check price Here ==>
Color choice	-Brushed
Sizes	- 51cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Rubino Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Dura-Ace STI Dual Control Levers Shimano Dura-Ace Dual Pivot Brakes
Hubs for disc brakes	Mavic Ksyrium SSC
Rims manufacturer	18-hole and 20-hole Mavic Ksyrium SSC SL
Spoke nipples type	Brass Nipples
Spoke wheel	Bladed Mavic Zicral

Frame and Body Specs

Frame materials	3Al and 2.5V Titanium and carbon Fiber Composite
Frame type	TIG-welded
Handlebar construction	ITM Millennium SO
Handlebar extender	Optional
Handlebar stem details	ITM Millennium SO
Headset size	1 1/8 (inches) Threadless Cane Creek

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-7700
Crankset parts and sizes	39/53 Teeth Shimano Dura-Ace
Gear shift levers	Shimano Dura-Ace STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Litespeed Siena Dura Ace 9 Speed Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Dura-Ace
Derailleur (Rear)	Shimano Dura-Ace SS
Fork material	Aero Crown Carbon Fiber Composite
Fork type	Lite TEC

Other Specs of Litespeed Siena Dura Ace 9 Speed

Component group sets	Shimano Dura-Ace
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Selle Italia Flite
Seat post extension	27.2 (millimeters) Diameter Thomson Elite