GT AGGRESSOR 1994 VS Trek 820 2007 specs comparison

GT Aggressor

General Infos

Model	Aggressor
Manufacturer	GT
Year of production	1994
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Tioga Psycho II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Levers Alloy Cantilevers Front and alloy Cantilevers With Reach Adjuster Rear Brakes
Hubs for disc brakes	Alloy QR
Rims manufacturer	36-hole Weinmann
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Chromoly Main Triangle and Hi-tensile Steel Rear Stays
Frame type	TIG-welded Steel
Handlebar construction	GT Flat
Handlebar extender	Not Available
Handlebar stem details	ATB Chromoly
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano HyperGlide
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Shimano Dual SIS
Gear shift levers	Shimano Altus C50 Top-mount With Optical Gear Display
Rear gear set	14 - 28 Teeth 6-speed

GT Aggressor Fork System Data

Derailleur (Front)	Shimano Altus C50
Derailleur (Rear)	Shimano Alivio
Fork material	Not Available
Fork type	Sabre Sport Aluminum

Other Specs of GT Aggressor

Component group sets	Shimano Altus C50
Pedals details	MTB Resin
Rear shock absorber	Not Available
Saddle seat	GT Supersoft
Seat post extension	Alloy Micro-adjust

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2007
Current price	Check price Here ==>
Color choice	- Matte Navy and Matte Bluegray -Hot Orange and Metallic Dark Silver
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro V Brakes
Hubs for disc brakes	Alloy
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Hi-tensile Steel and chromoly
Frame type	TIG-welded
Handlebar construction	Bontrager Approved
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	Aheadset Slimstak

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth SR XCC-T208
Gear shift levers	Shimano EF-50
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano C-051
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Aluminum and steel
Fork type	63 (millimeters) Travel RST 191 C7

Other Specs of Trek 820

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Sport
Seat post extension	Bontrager Approved