Trek ERWIN 2011 VS Kestrel KM40 DURA ACE AERO 2003 specs comparison

Trek Erwin

General Infos

Model	Erwin
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte Crystal Pearl White
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 34c Bontrager Jones CXR
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Tiagra Levers Avid Shorty 4 Brakes
Hubs for disc brakes	Bontrager SSR
Rims manufacturer	Bontrager SSR
Spoke nipples type	Not Available
Spoke wheel	Bontrager SSR

Frame and Body Specs

Frame materials	Custom-butted Platinum Steel
Frame type	TIG-welded
Handlebar construction	Bontrager Race Anatomic-C
Handlebar extender	Optional
Handlebar stem details	Bontrager SSR
Headset size	1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	36/46 Teeth FSA Gossamer Mega Exo
Gear shift levers	Shimano Tiagra
Rear gear set	11 - 26 Teeth 9-speed

Trek Erwin Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra
Fork material	Aero
Fork type	Bontrager Race Lite Cross

Other Specs of Trek Erwin

Component group sets	Shimano Tiagra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Bontrager Evoke 1
Seat post extension	27.2 (millimeters) Diameter Bontrager Race

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)

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