Schwinn CIRCUIT 1998 VS Felt B12 2009 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

Felt B12

General Infos

Model	B12
Manufacturer	Felt
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Silver and Clear Carbon
Sizes	- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	650/700 X 23c Vittoria Rubino Pro Slick Folding
Bike rear tire	Not Available
Bike wheel size	650c and 700c Wheels
Brakeset type	TRP Aero Alloy Levers Dual Pivot Brakes
Hubs for disc brakes	FELT TTR-3 Sealed
Rims manufacturer	20-hole and 24-hole FELT TTR-3 ALU 40 (millimeters) Deep
Spoke nipples type	Not Available
Spoke wheel	Aero

Frame and Body Specs

Frame materials	Felt Aero UMH Carbon Fiber
Frame type	Monocoque
Handlebar construction	Felt Bayonet 6061 T6 Base Bar
Handlebar extender	Felt Bayonet ALU Tri-Bend Extensions
Handlebar stem details	Felt 3.1 O and S 6061 Aluminum
Headset size	1 (inches) Cane Creek

Gearing Specifications

Bicycle chain	Shimano 10 Speed
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Ultegra SL Hollowtech II
Crankset parts and sizes	39/53 Teeth Shimano Ultegra SL
Gear shift levers	Shimano Dura-Ace SL-BS 78 Bar End
Rear gear set	12 - 25 Teeth 10-speed

Felt B12 Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra SL
Derailleur (Rear)	Shimano Ultegra SL
Fork material	Carbon Fiber
Fork type	Felt 3.2 UHM Aero

Other Specs of Felt B12

Component group sets	Shimano Ultegra SL and mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	FELT 3.2 Tri Saddle
Seat post extension	FELT 3.1 Bladed Carbon