Specialized TARMAC EXPERT SL COMPACT 2010 VS Trek ERWIN 2011 specs comparison

Specialized Tarmac Expert SL Compact

General Infos

Model	Tarmac Expert SL Compact
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	- Red and Carbon -Carbon and White
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Specialized Mondo Pro II
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra Levers Shimano Ultegra Brakes
Hubs for disc brakes	Mavic Kysrium Equipe
Rims manufacturer	Mavic Kysrium Equipe
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Specialized FACT 10r Carbon
Frame type	FACT IS Construction
Handlebar construction	Specialized Pro Ergo Alloy
Handlebar extender	Optional
Handlebar stem details	Specialized Pro-Set 3D Forged 4-bolt
Headset size	1 1/8 (inches) - 1 1/2 (inches) Aheadset

Gearing Specifications

Bicycle chain	Shimano Ultegra
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Ultegra
Crankset parts and sizes	50/34 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI
Rear gear set	11 - 28 Teeth 10-speed

Specialized Tarmac Expert SL Compact Fork System Data

Derailleur (Front)	Braze-on Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon
Fork type	Tarmac FACT Carbon Monocoque

Other Specs of Specialized Tarmac Expert SL Compact

Component group sets	Shimano Ultegra
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Toupe With Hollow Ti Rails
Seat post extension	27.2 (millimeters) Diameter Specialized FACT Carbon With Zertz Insert

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)

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