Specialized HARDROCK 1997 VS Schwinn SIERRA GS 2001 specs comparison

Specialized Hardrock

General Infos

Model	Hardrock
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
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

Schwinn Sierra GS

General Infos

Model	Sierra GS
Manufacturer	Schwinn
Year of production	2001
Current price	Check price Here ==>
Color choice	- Gloss Black and Champagne -Deep Blue with Silver
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 15 (inches) - womens 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) IRC Fiesterra
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Linear-pull Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Formula Aluminum Front: Formula Aluminum
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Comfort Rise
Handlebar extender	Optional
Handlebar stem details	Comfort Adjustable Rise
Headset size	1 1/8 (inches) Threadless Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Shimano Tourney
Gear shift levers	SRAM 4.0 Half Pipe
Rear gear set	14 - 28 Teeth 7-speed

Schwinn Sierra GS Fork System Data

Derailleur (Front)	Shimano Tourney
Derailleur (Rear)	SRAM 3.0
Fork material	Unicrown Crown Chromoly
Fork type	Schwinn

Other Specs of Schwinn Sierra GS

Component group sets	Mountain Mix
Pedals details	Platform
Rear shock absorber	Not Available
Saddle seat	Schwinn Comfort
Seat post extension	Schwinn Glide Along Suspension