GT AGGRESSOR 1999 VS Specialized ROCKHOPPER 2005 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

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2005
Current price	Check price Here ==>
Color choice	-Yellow
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) Specialized Adrenaline
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivo Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Joytech QR
Rims manufacturer	32-hole Alex DH-20
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Not Available
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Sealed Cartridge

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle TruVativ
Crankset parts and sizes	22/32/42 Teeth TruVativ Five-D
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Manitou Axel Comp

Other Specs of Specialized Rockhopper

Component group sets	Mountain Mix
Pedals details	Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized BG Sport MTB
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust