Trek 820 1995 VS Specialized HARDROCK AX 1997 specs comparison

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	1995
Current price	Check price Here ==>
Color choice	- sage green -Ice teal and indigo fade
Sizes	- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) - womens 17 (inches) - womens 20 (inches)
Sizes	- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (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	Chang Star 274A Levers Shimano Altus C90 Brakes
Hubs for disc brakes	Shimano AceraX
Rims manufacturer	36-hole Weinmann 4019
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and Hi-tensile Steel Rear Stays
Frame type	TIG-welded Steel
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 (inches) HPO1H

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC HP-70S
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/32/38 Teeth Shimano Altus C90
Gear shift levers	Grip Shift MRX-100
Rear gear set	11 - 28 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus C90
Derailleur (Rear)	Shimano AceraX
Fork material	Forged Dropouts Unicrown Crown Chromoly
Fork type	Not Available

Other Specs of Trek 820

Component group sets	Shimano Altus C90
Pedals details	Wellgo LU-945 With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Trek HiDensity Foam
Seat post extension	26.6 (millimeters) Diameter Kalloy SP-242

Specialized Hardrock AX

General Infos

Model	Hardrock AX
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- yellow -Red
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Hardrock'R
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Shimano Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release
Rims manufacturer	36-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Heat Treated SBC 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	SBC Aluminum
Handlebar extender	Optional
Handlebar stem details	SBC Fast Fit
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano
Crankset parts and sizes	24/34/42 Teeth SBC Strongarm Sport
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock AX Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Unicrown Crown SBC DirectDrive Chromoly
Fork type	SBC

Other Specs of Specialized Hardrock AX

Component group sets	Shimano Alivio
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Softlite Super
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust