Schwinn SIERRA GS 2001 VS Trek 990 1995 specs comparison

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)
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

Trek 990

General Infos

Model	990
Manufacturer	Trek
Year of production	1995
Current price	Check price Here ==>
Color choice	-Brown
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Tioga Psycho Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-11 Levers Shimano Deore XT M-System Brakes
Hubs for disc brakes	Shimano Deore XT With System 3 Front
Rims manufacturer	32-hole Matrix VooDoo
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double Butted Sapim Stainless Steel

Frame and Body Specs

Frame materials	True Temper OXIII
Frame type	TIG-welded Steel
Handlebar construction	System 3
Handlebar extender	Optional
Handlebar stem details	System 3
Headset size	1 1/8 (inches) Dia-Compe Kontak Aheadset SA 2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG90
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Shimano Deore XT HyperDrive-C
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

Trek 990 Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Compact Drive
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Butted Unicrown Crown Chromoly
Fork type	System 2

Other Specs of Trek 990

Component group sets	Shimano Deore XT
Pedals details	Tioga Clipman
Rear shock absorber	Not Available
Saddle seat	Vetta TT Manganese Rails
Seat post extension	27.2 (millimeters) Diameter System 2