Specialized HARDROCK SPORT GX 1996 VS Trek 820 AL 1999 specs comparison

Specialized Hardrock Sport GX

General Infos

Model	Hardrock Sport GX
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	- satin -Gray
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 Hard Rock'R Gray
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Tourney TY-22 Levers Chang Star 876S Brakes
Hubs for disc brakes	Not Available
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 Main Triangle and hi-tensile Steel Rear Stays
Frame type	Welded Steel
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Not Available
Headset size	1 (inches) YST Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	117 (millimeters) Spindle YST
Crankset parts and sizes	24/34/42 Teeth SR CW-XR15
Gear shift levers	Grip Shift MRX-100
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock Sport GX Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Suntour FD-XR15
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Chromoly and hi-tensile Steel
Fork type	Specialized

Other Specs of Specialized Hardrock Sport GX

Component group sets	Shimano AceraX
Pedals details	Victor VP-892
Rear shock absorber	Not Available
Saddle seat	Specialized Comfort Plush Sport
Seat post extension	26.2 (millimeters) Diameter Kalloy Alloy

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)

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