Specialized HARDROCK 1997 VS Trek 820 1994 specs comparison

Specialized Hardrock

General Infos

Model	Hardrock
Manufacturer	Specialized
Year of production	1997
Current price	🛒 View Price →
Color choice	- red - yellow -Black
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15.5 (inches) - womens 18 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15.5 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Crossroads III
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: Aluminum Quick Release
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 (inches)

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth SR Aluminum
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus Top-swing
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	SBC

Other Specs of Specialized Hardrock

Component group sets	Shimano Altus
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Supersoft Comfort
Seat post extension	26.2 (millimeters) Diameter Aluminum Micro-adjust

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	1994
Current price	🛒 View Price →
Color choice	-Not found
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) - boys 14 (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	Levers Cold-forged Alloy With Shimano TY21 Levers Brakes
Hubs for disc brakes	Alloy QR
Rims manufacturer	36-hole Weinmann 4019
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded Steel
Handlebar construction	2 (inches) Rise On Women's Steel
Handlebar extender	Not Available
Handlebar stem details	Steel ATB
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano UG-50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Shimano Altus C-50
Gear shift levers	Grip Shift SRT-300i
Rear gear set	13 - 28 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano Altus C50
Derailleur (Rear)	Shimano Alivio MC-10
Fork material	Not Available
Fork type	Chromoly

Other Specs of Trek 820

Component group sets	Shimano Altus C50 and GripShift
Pedals details	Victor VP-893PP
Rear shock absorber	Not Available
Saddle seat	Emerald Cover Trek Hi-density Foam
Seat post extension	Alloy Micro-adjust