Specialized ROCKHOPPER EXPERT 29 2009 VS GT AVALANCHE 3.0 2011 specs comparison

Specialized Rockhopper Expert 29

General Infos

Model	Rockhopper Expert 29
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Polished
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized Fast Trak Control
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Tektro Auriga Comp Levers Tektro Auriga Comp Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Specialized Forged Alloy Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized M4 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M442
Gear shift levers	Shimano Deore Rapidfire
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Expert 29 Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Chromoly and alloy and magnesium
Fork type	80 (millimeters) Travel RockShox Tora Race 29er

Other Specs of Specialized Rockhopper Expert 29

Component group sets	Shimano Deore
Pedals details	Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Specialized BG Indie XC
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt

GT Avalanche 3.0

General Infos

Model	Avalanche 3.0
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	- satin black -Neon yellow
Sizes	- XS - S - M - L - XL - XXL

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.1'' Maxxis Mobster Front: 26 X 2.35 Maxxis Mobster
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Levers Tektro Linear Pull Brakes
Hubs for disc brakes	All Terra Alloy
Rims manufacturer	32-hole Alex DC 25
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061-T6 Aluminum
Frame type	Aluminum
Handlebar construction	ALL TERRA AL6061 RISER
Handlebar extender	Optional
Handlebar stem details	All Terra
Headset size	1 1/8 (inches) Tange Seiki

Gearing Specifications

Bicycle chain	KMC Z72
Bottom bracket shell width	Not Available
Bottom bracket type	Tange Sealed Cartridge
Crankset parts and sizes	42/32/22t Teeth Suntour XCT-30V2-T2
Gear shift levers	Shimano SL-M310
Rear gear set	11 - 32 Teeth 8-speed

GT Avalanche 3.0 Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Alivio
Fork material	Not Available
Fork type	100 (millimeters) Travel SR Suntour XCM V3

Other Specs of GT Avalanche 3.0

Component group sets	Mountain Mix
Pedals details	GT Slim Line Flat
Rear shock absorber	Not Available
Saddle seat	WTB Pure-V Sport
Seat post extension	All Terra Alloy Micro-Adjust