Trek EPIC EXPERT CARBON 29ER 2011 VS Specialized DEMO 7 I 2009 specs comparison

Trek Epic Expert Carbon 29er

General Infos

Model	Epic Expert Carbon 29er
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Red and White
Sizes	- Small - Medium - Large - Extra large
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Rear: 29 X 1.95 (inches) S-Works Renegade Front: 29 X 2.0 (inches) S-Works The Captain
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Elixir CR SL Levers Avid Elixir CR SL Brakes
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	32-hole DT Swiss X450SL
Spoke nipples type	Not Available
Spoke wheel	15/18ga. Double-butted DT Swiss Competition Stainless Steel

Frame and Body Specs

Frame materials	FACT 9m Carbon
Frame type	Bonded and monocoque
Handlebar construction	Specialized XC Flat 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Specialized XC
Headset size	1 1/8 (inches) - 1 1/2 (inches) Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	SRAM PF-30
Crankset parts and sizes	24/38 Teeth SRAM Carbon S-2200
Gear shift levers	SRAM X.9
Rear gear set	11 - 36 Teeth 10-speed

Trek Epic Expert Carbon 29er Fork System Data

Derailleur (Front)	S3 Direct Mount SRAM X.7
Derailleur (Rear)	SRAM X.0
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Reba 29

Other Specs of Trek Epic Expert Carbon 29er

Component group sets	SRAM Mix
Pedals details	Resin Test Ride Pedals
Rear shock absorber	100 (millimeters) Travel Fox Mini-Brain
Saddle seat	Specialized BG Phenom
Seat post extension	30.9 (millimeters) Diameter Alloy Single Bolt Setback

Specialized Demo 7 I

General Infos

Model	Demo 7 I
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Test Color -Warm Charcoal
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.30 (inches) Specialized Chunder SX
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixir R Levers Avid Elixir R With 203 (millimeters) Rotor Front and Avid Elixir R With 185 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Rear: Specialized Thru-axle Front: Specialized Hi Lo Disc
Rims manufacturer	32-hole DT Swiss F550
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	Specialized M5 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Demo Riser 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Specialized Aggro
Headset size	1.5 (inches) Integrated Cartridge

Gearing Specifications

Bicycle chain	SRAM PC-971
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	Truvativ Howitzer XR
Crankset parts and sizes	TruVativ Hussefelt
Gear shift levers	SRAM X.7 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Demo 7 I Fork System Data

Derailleur (Front)	Chain Retention Device Gamut P-30 Chain Guide
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Magnesium and aluminum
Fork type	180 (millimeters) Travel RockShox Totem IS

Other Specs of Specialized Demo 7 I

Component group sets	SRAM Mix
Pedals details	Specialized Lo Pro Alloy
Rear shock absorber	7 (inches) Travel Fox DHX 4.0 Coil
Saddle seat	Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter 6061 Butted Alloy Two-bolt