K2 MOD 4.0 2003 VS Schwinn CIRCUIT 1998 specs comparison

K2 Mod 4.0

General Infos

Model	Mod 4.0
Manufacturer	K2
Year of production	2003
Current price	Check price Here ==>
Color choice	-Gray and Yellow
Sizes	- Large - medium - small - xsmall
Sizes	- Large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	700 X 25c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Dual Control Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Mavic Ksyrium Elite
Rims manufacturer	18-hole and 20-hole Mavic Ksyrium Elite
Spoke nipples type	Brass Nipples
Spoke wheel	Aero Mavic Stainless Steel

Frame and Body Specs

Frame materials	Columbus Zonal and carbon Stays
Frame type	TIG-welded and carbon Fiber Composite
Handlebar construction	Ritchey Logic Pro 31.8
Handlebar extender	Optional
Handlebar stem details	3T Forgie XL
Headset size	1 1/8 (inches) Threadless Cane Creek IS-2 Integrated

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 21 Teeth 9-speed

K2 Mod 4.0 Fork System Data

Derailleur (Front)	Clamp-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon Fiber Composite With Aluminum Steerer
Fork type	K2 Carbon

Other Specs of K2 Mod 4.0

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle Italia ProLink With Carbon Rails
Seat post extension	K2 Micro Adjust

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)

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