Felt DA-DI2 2010 VS Kestrel KM40 AIRFOIL W/ ULTEGRA AERO 2000 specs comparison

Felt DA-Di2

General Infos

Model	DA-Di2
Manufacturer	Felt
Year of production	2010
Current price	Check price Here ==>
Color choice	-Gloss Hyper Black
Sizes	- 650c x 48 (centimeters) - 50cm (centimeters) - 700c x 52 (centimeters) - 54 (centimeters) - 56 (centimeters) - 58 (centimeters) - 60cm (centimeters)
Sizes	- 650c x 48 (centimeters) - 50cm (centimeters) - 700c x 52 (centimeters) - 54 (centimeters) - 56 (centimeters) - 58 (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	650/700 X 21c Vittoria Triathlon EVO CS Tubular
Bike rear tire	Not Available
Bike wheel size	650c and 700c Wheels
Brakeset type	Shimano Dura-Ace Di2 ST7971 STI Levers Shimano Dura-Ace 7900 Front and Shimano Dura-Ace 7800 Rear Brakes
Hubs for disc brakes	Zipp 808
Rims manufacturer	16-hole and 20-hole Zipp 808 Tubular
Spoke nipples type	Not Available
Spoke wheel	Butted Sapim CX Ray

Frame and Body Specs

Frame materials	Felt Tri Specific UHC Nano Carbon Fiber
Frame type	Monocoque
Handlebar construction	Devox Bayonet UHC Nano Base Bar
Handlebar extender	Devox Adjustable UHC Extensions
Handlebar stem details	Felt Bayonet II Integrated
Headset size	1 (inches) Integrated FELT Bayonet

Gearing Specifications

Bicycle chain	Shimano Dura-Ace 7900
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Dura-Ace Hollowtech II
Crankset parts and sizes	39/53 Teeth Shimano Dura-Ace
Gear shift levers	Shimano Dura-Ace Di2 SW-7971 & ST7971 Dual Shift Point STI
Rear gear set	11 - 23 Teeth 10-speed

Felt DA-Di2 Fork System Data

Derailleur (Front)	Braze-on Shimano Dura-Ace Di2
Derailleur (Rear)	Shimano Dura-Ace Di2
Fork material	Carbon Fiber
Fork type	Felt Bayonet II UHC-Nano

Other Specs of Felt DA-Di2

Component group sets	Shimano Dura-Ace Di2 Electric
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Prologo Nago TTRT TT and Tri With Carbon Rails
Seat post extension	FELT 3.1 UHM Bladed Carbon

Kestrel KM40 Airfoil w/ Ultegra aero

General Infos

Model	KM40 Airfoil w/ Ultegra aero
Manufacturer	Kestrel
Year of production	2000
Current price	Check price Here ==>
Color choice	- black -Red
Sizes	- 52cm (centimeters) - 56cm (centimeters)

Wheels And Breaking System

Bike front tire	650 X 23c Continental Grand Prix 3000 Kevlar
Bike rear tire	Not Available
Bike wheel size	650c Wheels
Brakeset type	Dia-Compe 188 TRI Levers Cane Creek BRS200 SL Brakes
Hubs for disc brakes	Shimano Ultegra
Rims manufacturer	32-hole Mavic CXP 21
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith XL Stainless Steel

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Monocoque
Handlebar construction	Syntace Stratos 200
Handlebar extender	Syntace C-2
Handlebar stem details	Profile H20
Headset size	1 (inches) Shimano Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	42/56 Teeth Shimano Ultegra
Gear shift levers	Shimano Bar-end
Rear gear set	12 - 23 Teeth 9-speed

Kestrel KM40 Airfoil w/ Ultegra aero Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra GS
Fork material	Unicrown Crown Carbon Fiber Composite
Fork type	Kestrel EMS

Other Specs of Kestrel KM40 Airfoil w/ Ultegra aero

Component group sets	Shimano Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle Italia Flite
Seat post extension	27.2 (millimeters) Diameter American Classic