Specialized GROUND CONTROL A1 1996 VS Trek SESSION 77 2006 specs comparison

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)
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

Trek Session 77

General Infos

Model	Session 77
Manufacturer	Trek
Year of production	2006
Current price	Check price Here ==>
Color choice	-Gold Anodized
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.50 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	BFL Levers Hayes HFX-Mag Brakes
Hubs for disc brakes	Bontrager King Earl
Rims manufacturer	Bontrager King Earl
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	ZR 9000 Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager King Earl
Handlebar extender	Not Available
Handlebar stem details	Bontrager King Earl
Headset size	Cane Creek Double X

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	34/36 Teeth Bontrager King Earl
Gear shift levers	SRAM X-0
Rear gear set	11 - 34 Teeth 9-speed

Trek Session 77 Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	SRAM X-0
Fork material	Single Crown Aluminum and magnesium
Fork type	180 (millimeters) Travel Manitou Travis Single Intrinsic

Other Specs of Trek Session 77

Component group sets	Mountain Mix
Pedals details	Bontrager Big Earl
Rear shock absorber	Manitou Swinger 4-Way
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager King Earl