Specialized ROCKHOPPER EXPERT 29 2009 VS GT AVALANCHE 1998 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

General Infos

Model	Avalanche
Manufacturer	GT
Year of production	1998
Current price	Check price Here ==>
Color choice	- white -Billet
Sizes	- 12.5 (inches) - 14.5 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) WTB VelociRaptor Kevlar Front: 26 X 1.95 (inches) WTB EnduroRaptor Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Q and R Rear: Shimano STX-RC Front: Aluminum
Rims manufacturer	32-hole Mavic X221
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Butted With Replaceable Derailleur Hanger 6061-T6 Aluminum
Frame type	Welded
Handlebar construction	Kore Lite
Handlebar extender	GT Cut Weld
Handlebar stem details	Kore Lite
Headset size	1 1/8 (inches) Threadless Tioga

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG70
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano STX-RC
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

GT Avalanche Fork System Data

Derailleur (Front)	Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Marzocchi Bomber Z-2

Other Specs of GT Avalanche

Component group sets	Mountain Mix
Pedals details	Tioga Surefoot With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Hollow Chromoly Rails With Kevlar Sides WTB SSTK
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust