Trek JACK 2 2009 VS GT AVALANCHE EXPERT 2008 specs comparison

Trek Jack 2

General Infos

Model	Jack 2
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Orange
Sizes	- Small - medium - large
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.40 (inches) Bontrager Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes MX-2 Mechanical Levers Hayes MX-2 Mechanical With 8 (inches) Rotor Front and Hayes MX-2 Mechanical With 6 (inches) Rotor Rear Brakes
Hubs for disc brakes	Shimano M475
Rims manufacturer	Sun Ditch Witch
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Big Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Earl
Headset size	1 1/8 (inches) Aheadset Semi-cartridge

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Bontrager Big Earl
Gear shift levers	Shimano Alivio
Rear gear set	11 - 32 Teeth 8-speed

Trek Jack 2 Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown
Fork type	100 (millimeters) Travel Manitou Slate Comp FFD

Other Specs of Trek Jack 2

Component group sets	Shimano Alivio
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Earl Jump
Seat post extension	Bontrager Sport

GT Avalanche Expert

General Infos

Model	Avalanche Expert
Manufacturer	GT
Year of production	2008
Current price	Check price Here ==>
Color choice	-Steel Blue
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 (inches) Kenda Nevagal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Hydraulic Levers Shimano Hydraulic Disc Brakes
Hubs for disc brakes	Shimano Disc
Rims manufacturer	WTB Speed Disc
Spoke nipples type	Brass CP
Spoke wheel	14ga. DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	GT 6061 Aluminum
Frame type	TIG-welded
Handlebar construction	GT AL Riser OS
Handlebar extender	Optional
Handlebar stem details	GT ATB OS
Headset size	1 1/8 (inches) Zero Stack

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth TruVativ Firex
Gear shift levers	SRAM X.7 Trigger
Rear gear set	12 - 32 Teeth 9-speed

GT Avalanche Expert Fork System Data

Derailleur (Front)	Shimano LX
Derailleur (Rear)	SRAM X.9
Fork material	Single Crown Aluminum and magnesium
Fork type	85-130 (millimeters) RockShox TORA

Other Specs of GT Avalanche Expert

Component group sets	Mountain Mix
Pedals details	Crank Brothers Candy
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	Micro-adjust