Trek JACK 1 2009 VS Trek 820 2001 specs comparison

Trek Jack 1

General Infos

Model	Jack 1
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Navy
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	Shimano EF-50 EZ Fire Integrated Levers Tektro V-brake Brakes
Hubs for disc brakes	Shimano M475
Rims manufacturer	Bontrager Camino
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 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 Shimano M341
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	11 - 32 Teeth 8-speed

Trek Jack 1 Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	100 (millimeters) Travel RST Gila T7

Other Specs of Trek Jack 1

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

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2001
Current price	Check price Here ==>
Color choice	- Blue - Silver -Black
Sizes	- Extra small - Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Connection
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Aluminum
Rims manufacturer	Matrix
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hi-tensile Steel
Handlebar extender	Optional
Handlebar stem details	Rise Hi Tensile Steel
Headset size	1 1/8 (inches) Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth SR XR128
Gear shift levers	Shimano Acera EZ Fire Plus
Rear gear set	11 - 30 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano Tourney TY-32
Derailleur (Rear)	Shimano Acera
Fork material	Triple-clamp
Fork type	Polygon Sporty SE

Other Specs of Trek 820

Component group sets	Mountain Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Trek Supersoft
Seat post extension	Aluminum Micro-adjust