Trek 820 AL 1999 VS Specialized ROCKHOPPER EXPERT 1993 specs comparison

Trek 820 AL

General Infos

Model	820 AL
Manufacturer	Trek
Year of production	1999
Current price	Check price Here ==>
Color choice	-Ice Red and Ice Orange
Sizes	- 13.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 17 (inches) - womens 20 (inches)
Sizes	- 13.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 17 (inches) - womens 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Trek Connection
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Lee Chi LV77E Levers Lee Chi ProMax MV-33 Linear-pull Brakes
Hubs for disc brakes	Rear: Kung Ten W5ER Front: Kung Ten W55F
Rims manufacturer	32-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Alloy MTB
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 1/8 (inches) Victor VP-H992W

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KAZ LR900
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	121 (millimeters) Spindle Shimano BB-CT92E
Crankset parts and sizes	24/34/42 Teeth Shimano Altus
Gear shift levers	SRAM ESP 5.0
Rear gear set	11 - 30 Teeth 8-speed

Trek 820 AL Fork System Data

Derailleur (Front)	Top-pull and bottom Bracket Mount Shimano Altus
Derailleur (Rear)	SRAM ESP 5.0
Fork material	Unicrown Crown Chromoly
Fork type	Trek

Other Specs of Trek 820 AL

Component group sets	Mountain Mix
Pedals details	Platform
Rear shock absorber	Not Available
Saddle seat	Velo
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

Specialized Rockhopper Expert

General Infos

Model	Rockhopper Expert
Manufacturer	Specialized
Year of production	1993
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 16.5 - 18 - 20 - 21.5

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Ground Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Levers Suntour XC Expert Low Profile Cantilevers Brakes
Hubs for disc brakes	Suntour XC Expert
Rims manufacturer	Specialized X23
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Direct Drive Full DB Chrome-moly
Frame type	TIG-welded Steel
Handlebar construction	Alloy
Handlebar extender	Not Available
Handlebar stem details	Chrome-moly 24-degree
Headset size	Not Available

Gearing Specifications

Bicycle chain	Suntour
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	20/32/42 Teeth Suntour XC Expert Microdrive
Gear shift levers	Suntour XC Expert Thumbshifters
Rear gear set	11 - 28 Teeth 8-speed

Specialized Rockhopper Expert Fork System Data

Derailleur (Front)	Suntour XC Expert
Derailleur (Rear)	Suntour XC Expert
Fork material	Not Available
Fork type	Direct Drive Chrome-moly

Other Specs of Specialized Rockhopper Expert

Component group sets	Suntour XC Expert Microdrive
Pedals details	Specialized Direct Drive Comp
Rear shock absorber	Not Available
Saddle seat	Specialized Air Gel
Seat post extension	SR TCO With Cam QR