Trek SCRATCH AIR 9 2011 VS Specialized GROUND CONTROL A1 1996 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 Ground Control A1

General Infos

Model	Ground Control A1
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-White and black
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-3 Levers Shimano Alivio M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double Butted DT Competition Stainless Steel

Frame and Body Specs

Frame materials	Specialized Premium A1 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless Tange-Seiki Alloy

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 8-speed

Specialized Ground Control A1 Fork System Data

Derailleur (Front)	Top-pull Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Specialized Ground Control A1

Component group sets	Shimano STX
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	1.25 (inches) Travel RST and Specialized
Saddle seat	Specialized Prolong Evolution Sport
Seat post extension	30.9 (millimeters) Diameter Alloy Micro-adjust