GT AGGRESSOR 1999 VS Trek 4900 DISC 2003 specs comparison

GT Aggressor

General Infos

Model	Aggressor
Manufacturer	GT
Year of production	1999
Current price	Check price Here ==>
Color choice	- H O T Red -H O T Black
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches)
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Altus Levers ProMax Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano 7-speed Cassette Front: Aluminum
Rims manufacturer	Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Flat
Handlebar extender	Optional
Handlebar stem details	GT Hi-rise
Headset size	1 1/8 (inches) Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano Cartridge
Crankset parts and sizes	SR XR27
Gear shift levers	Shimano Altus EZ Fire Plus
Rear gear set	14 - 28 Teeth 7-speed

GT Aggressor Fork System Data

Derailleur (Front)	Shimano AceraX Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp Crown Chromoly and magnesium
Fork type	2.5 (inches) Travel SR Suntour MG80

Other Specs of GT Aggressor

Component group sets	Mountain Mix
Pedals details	GT Nylon ATB
Rear shock absorber	Not Available
Saddle seat	GT
Seat post extension	Aluminum Micro-adjust

Trek 4900 Disc

General Infos

Model	4900 Disc
Manufacturer	Trek
Year of production	2003
Current price	Check price Here ==>
Color choice	- Metallic Silver and Navy -Metallic Red
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Bontrager Jones AC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes HML Mechanical Disc Levers Hayes Mechanical Disc Brakes
Hubs for disc brakes	Q and R Rear: Shimano Front: Aluminum
Rims manufacturer	32-hole Bontrager Corvair
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Crowbar Sport
Handlebar extender	Optional
Handlebar stem details	Bontrager Sport
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano M340-8
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 9-speed

Trek 4900 Disc Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Deore SGS
Fork material	Single Crown Aluminum and magnesium
Fork type	80 (millimeters) Travel Rock Shox Pilot C

Other Specs of Trek 4900 Disc

Component group sets	Mountain Mix
Pedals details	Aluminum Cage
Rear shock absorber	Not Available
Saddle seat	Trek ATB
Seat post extension	Bontrager Sport