GT AVALANCHE 1.0 DISC 2006 VS Trek 820 2009 specs comparison

GT Avalanche 1.0 Disc

General Infos

Model	Avalanche 1.0 Disc
Manufacturer	GT
Year of production	2006
Current price	Check price Here ==>
Color choice	-Silver
Sizes	- Small - medium - large - xlarge - xxlarge
Sizes	- Small - medium - large - xlarge - xxlarge

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Tioga Factory XC Front: 26 X 1.95 (inches) Tioga Factory Extreme
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes Hydraulic Levers Hayes Sole Disc Brake Brakes
Hubs for disc brakes	Rear: Shimano Disc 9 Speed Front: Alloy QR For Disc
Rims manufacturer	Alloy Double Wall ATB With CNC Brake Surface
Spoke nipples type	Brass CP
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	GT Triple Triangle Design 6061 Butted Aluminum
Frame type	TIG-welded
Handlebar construction	6061 Heat Treated GT Mtn Riser
Handlebar extender	Not Available
Handlebar stem details	Threadless 25 Degree Rise With Four Bolt Alum Face Plate GT ATB
Headset size	1 1/8 (inches) TH Zero Stack

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	22/32/44 Teeth Truvativ 5-D
Gear shift levers	Shimano Deore 9 Speed Integrated
Rear gear set	12 - 32 Teeth 9-speed

GT Avalanche 1.0 Disc Fork System Data

Derailleur (Front)	Shimano Deore LX
Derailleur (Rear)	Shimano Deore LX Rapid Rise
Fork material	Steel and aluminum and magnesium
Fork type	100 (millimeters) RockShock J3

Other Specs of GT Avalanche 1.0 Disc

Component group sets	Mountain Mix
Pedals details	Shimano PDM-520 Clipless With Sealed Bearings
Rear shock absorber	Not Available
Saddle seat	WTB Speed V
Seat post extension	Alloy Micro Adjust

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Black and Gloss White -Matte Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers Tektro V-brake Brakes
Hubs for disc brakes	Alloy
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Trek Custom Steel With CroMoly Seat Tube
Frame type	TIG-welded
Handlebar construction	Bontrager Approved
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP A76C-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth SR Suntour XCC T-208
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	63 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 820

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Approved
Seat post extension	Bontrager Approved