Trek 820 2011 VS Specialized ROCKHOPPER FS 1996 specs comparison

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Gloss Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Bontrager LT3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF40 Levers Tektro V Brakes
Hubs for disc brakes	Rear: Formula FM31 Front: Formula FM21
Rims manufacturer	36-hole Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Steel
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless Semi Integrated

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 Hawk DX
Gear shift levers	Shimano EF40
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano TX51
Derailleur (Rear)	Shimano TX31
Fork material	Single
Fork type	63 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 820

Component group sets	Shimano Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontager SSR
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR

Specialized Rockhopper FS

General Infos

Model	Rockhopper FS
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Altus Levers Shimano Altus Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Direct Drive Chromoly
Frame type	TIG-welded Steel
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Chromoly
Headset size	1 1/8 (inches) Sealed Mechanism

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	20/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-400
Rear gear set	11 - 28 Teeth 7-speed

Specialized Rockhopper FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	RST 381

Other Specs of Specialized Rockhopper FS

Component group sets	Shimano Alivio
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Specialized Comfort Sport
Seat post extension	30.4 (millimeters) Diameter Alloy Micro-adjust