Specialized GROUND CONTROL A1 COMP 1996 VS Trek SCRATCH AIR 8 2011 specs comparison

Specialized Ground Control A1 Comp

General Infos

Model	Ground Control A1 Comp
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-Red and yellow
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
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	Avid SD-2.0 Levers Shimano Deore LX M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 221
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	Easton (inches)Team (inches)
Handlebar extender	Optional
Handlebar stem details	Cold Forged Specialized A1
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-UN52
Crankset parts and sizes	22/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

Specialized Ground Control A1 Comp Fork System Data

Derailleur (Front)	Top-pull Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Specialized Ground Control A1 Comp

Component group sets	Shimano Deore XT and LX
Pedals details	Shimano PD-M535 SPD
Rear shock absorber	1.25 (inches) Travel RST and Specialized
Saddle seat	Specialized Prolong Evolution Sport
Seat post extension	30.9 (millimeters) Diameter Speciallized DD

Trek Scratch Air 8

General Infos

Model	Scratch Air 8
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte Light Raw Tint
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 SLX Levers Avid Elixir 5 Brakes
Hubs for disc brakes	Bontrager Cousin Earl Disc
Rims manufacturer	32-hole Bontrager Cousin Earl Disc
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	FSA No.57E

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 Ride
Gear shift levers	Shimano SLX
Rear gear set	11 - 36 Teeth 10-speed

Trek Scratch Air 8 Fork System Data

Derailleur (Front)	Shimano SLX
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Alloy
Fork type	160 (millimeters) Travel Fox 36 Float R

Other Specs of Trek Scratch Air 8

Component group sets	Shimano SLX
Pedals details	Optional
Rear shock absorber	170 (millimeters) Travel Fox Float RP-2
Saddle seat	Bontrager Evoke 2
Seat post extension	31.6 (millimeters) Diameter Bontrager Rhythm Elite