Trek SCRATCH AIR 9 2011 VS Specialized DEMO 9 DH 2004 specs comparison

Trek Scratch Air 9

General Infos

Model	Scratch Air 9
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte Black and Raw Tint
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.35 (inches) Bontrager XR4 Expert
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Avid Elixir CR Brakes
Hubs for disc brakes	DT Swiss E 2000
Rims manufacturer	32-hole DT Swiss E 2000
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alloy
Frame type	TIG-welded
Handlebar construction	Bontrager Rhythm Pro
Handlebar extender	Optional
Handlebar stem details	Bontrager Rhythm
Headset size	Cane Creek Frustum SE Light

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/36 Teeth Race Face Atlas
Gear shift levers	Shimano Deore XT
Rear gear set	11 - 36 Teeth 10-speed

Trek Scratch Air 9 Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT
Fork material	Single Crown Alloy
Fork type	120-160 (millimeters) Travel Fox 32 Talas FIT RLC

Other Specs of Trek Scratch Air 9

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	170 (millimeters) Travel Fox Float RP-23
Saddle seat	Bontrager Evoke 4
Seat post extension	Crank Brothers Jolpin 4R

Specialized Demo 9 DH

General Infos

Model	Demo 9 DH
Manufacturer	Specialized
Year of production	2004
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	Rear: 24 X 2.60 (inches) Specialized S-Works Evil Twin Roller Front: 26 X 2.60 (inches) Specialized S-Works Evil Twin Roller
Bike rear tire	Not Available
Bike wheel size	Rear: 24 (inches) Wheels Front: 26 (inches)
Brakeset type	Hayes HFX Magnesium Hydraulic Levers Hayes HFX Magnesium Hydraulic Brakes
Hubs for disc brakes	Rear: Sun Ringle Front: Specialized Stout Disc
Rims manufacturer	36-hole Mavic EX 729D
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Specialized DEMO FSR
Frame type	TIG-welded
Handlebar construction	Specialized BigHit 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Marzocchi Integrated
Headset size	1 1/8 (inches) Threadless Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	MRP Bones
Crankset parts and sizes	40 Teeth MRP Bones Chromoly
Gear shift levers	Shimano Deore LX RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Specialized Demo 9 DH Fork System Data

Derailleur (Front)	Bottom-pull and bottom Bracket Mount Specialized Fatty System 2 Chain Guide
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Dual Crown Aluminum
Fork type	200 (millimeters) Travel Marzocchi 888 R

Other Specs of Specialized Demo 9 DH

Component group sets	Mountain Mix
Pedals details	Aluminum Platform
Rear shock absorber	9.5 (inches) Travel Answer Manitou Swinger
Saddle seat	Specialized BigHit
Seat post extension	30.9 (millimeters) Diameter Aluminum