Kestrel KM40 DURA ACE AERO 2003 VS Felt AR4 2009 specs comparison

Kestrel KM40 Dura Ace Aero

General Infos

Model	KM40 Dura Ace Aero
Manufacturer	Kestrel
Year of production	2003
Current price	Check price Here ==>
Color choice	- Red and Carbon Weave - Silver and Carbon Weave -Black and Carbon Weave
Sizes	- 52cm (centimeters) - 56cm (centimeters)
Sizes	- 52cm (centimeters) - 56cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 23c
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Shimano Dura-Ace Dual Pivot
Hubs for disc brakes	Spinergy Xaero
Rims manufacturer	Spinergy Xaero Lite
Spoke nipples type	Not Available
Spoke wheel	Spinergy

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Monocoque
Handlebar construction	Not Available
Handlebar extender	Not Available
Handlebar stem details	Not Available
Headset size	1 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-7700
Bottom bracket shell width	68 (millimeters) American
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 SL-BS77 Bar-end
Rear gear set	9-speed

Kestrel KM40 Dura Ace Aero Fork System Data

Derailleur (Front)	Braze-on Shimano Dura-Ace
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Aero Crown Carbon Fiber Composite With Alloy Steerer
Fork type	EMS Pro 650

Other Specs of Kestrel KM40 Dura Ace Aero

Component group sets	Shimano Dura-Ace
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle Italia SLR
Seat post extension	27.2 (millimeters) Diameter

Felt AR4

General Infos

Model	AR4
Manufacturer	Felt
Year of production	2009
Current price	Check price Here ==>
Color choice	-Matte Clear Carbon
Sizes	- 51cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Rubino Slick Folding
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra SL STI Levers Shimano Ultegra SL Brakes
Hubs for disc brakes	Rear: Felt Aero R3 Sealed Aluminum Front: Felt AeroR3 Sealed Aluminum
Rims manufacturer	20-hole and 24-hole Felt AeroR3 Aluminum
Spoke nipples type	Alloy
Spoke wheel	15/14ga. Aero DT Swiss Aerospeed

Frame and Body Specs

Frame materials	Felt Aero UMH Carbon Fiber
Frame type	Monocoque
Handlebar construction	Felt 1.3A 2015 Aluminum Wing
Handlebar extender	Optional
Handlebar stem details	Felt 3.1 O and S 6061 Aluminum
Headset size	1 1/8 (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 Ultegra SL STI
Rear gear set	11 - 25 Teeth 10-speed

Felt AR4 Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra SL
Derailleur (Rear)	Shimano Ultegra SL
Fork material	Aero Crown Carbon Fiber and carbon Fiber Steerer
Fork type	Felt 1.3A UHC-Nano

Other Specs of Felt AR4

Component group sets	Shimano Ultegra SL
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	FELT 1.2 Road Saddle
Seat post extension	FELT 3.1 Bladed Carbon