Specialized ROCKHOPPER 2011 VS GT AGGRESSOR 3.0 2011 specs comparison

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Wht and Red -Blk and Brn
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized The Captain Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Avid BB5 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Forged Alloy Front: Forged Alloy Hi and low Flange
Rims manufacturer	28-hole and 32-hole Alex RHD 26 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4 Alloy
Frame type	TIG-welded
Handlebar construction	Butted Alloy Risebar
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.4
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.5
Fork material	Single Crown Alloy Steerer
Fork type	SR Suntour SF11

Other Specs of Specialized Rockhopper

Component group sets	Mountain Mix
Pedals details	Plastic Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Rockhopper XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

GT Aggressor 3.0

General Infos

Model	Aggressor 3.0
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- red and black -Silver and white
Sizes	- Extra small - Small - Medium - Large

Wheels And Breaking System

Bike front tire	26 X 2.1'' Kenda Mountain
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers With 110 (millimeters) Arms Brakes Direct Pull
Hubs for disc brakes	GT All-Terra Alloy QR
Rims manufacturer	32-hole Alex IC-1000
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061 aluminum c
Frame type	Aluminum
Handlebar construction	GT All Terra Alloy MTB Riser
Handlebar extender	Optional
Handlebar stem details	GT All-Terra Alloy
Headset size	1 1/8 (inches) Sealed Mech

Gearing Specifications

Bicycle chain	KMC HG-40
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	42/32/26t Teeth Suntour XCC T102
Gear shift levers	Shimano EF-50 Rapid Fire Plus
Rear gear set	11 - 32 Teeth 7-speed

GT Aggressor 3.0 Fork System Data

Derailleur (Front)	Shimano Tourney
Derailleur (Rear)	Shimano Tourney TX
Fork material	Not Available
Fork type	63 (millimeters) Travel SR Suntour M3000AL

Other Specs of GT Aggressor 3.0

Component group sets	Mountain Mix
Pedals details	High Impact Nylon MTB
Rear shock absorber	Not Available
Saddle seat	GT All Terra
Seat post extension	GT Design Alloy