Specialized ROCKHOPPER EXPERT 29ER 2011 VS GT AGGRESSOR 2009 specs comparison

Specialized Rockhopper Expert 29er

General Infos

Model	Rockhopper Expert 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	-Blk and Gry
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized The Captain Control
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano BR-M505 Levers Shimano BR-M505 Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
Rims manufacturer	32-hole and 36-hole Alex RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4SL 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 Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M430-8
Gear shift levers	Shimano SL-M590 Deore Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Expert 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Bottom Swing Top Pull Shimano Alivio
Derailleur (Rear)	Shimano Deore 9sp Shadow Long Cage
Fork material	Single Crown Alloy Steerer
Fork type	RockShox Tora TK 29 SL

Other Specs of Specialized Rockhopper Expert 29er

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

GT Aggressor

General Infos

Model	Aggressor
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	- Silver -Black
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) ATB Dual Purpose
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers Radius Linear-pull Brakes
Hubs for disc brakes	Alloy QR
Rims manufacturer	Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061 aluminum c
Frame type	TIG-welded
Handlebar construction	Riser
Handlebar extender	Optional
Handlebar stem details	GT ATB
Headset size	1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	Shimano UG50
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	22/32/42 Teeth SR Suntour XCC-T02
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	14 - 28 Teeth 7-speed

GT Aggressor Fork System Data

Derailleur (Front)	Shimano TY10
Derailleur (Rear)	Shimano TX50
Fork material	Single Crown Aluminum and chromoly
Fork type	75 (millimeters) Travel SR Suntour M2025

Other Specs of GT Aggressor

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	GT Custom Anatomic ATB
Seat post extension	Alloy Micro Adjust