Schwinn SIERRA GSD 2007 VS Specialized EXPEDITION SPORT 2011 specs comparison

Schwinn Sierra GSD

General Infos

Model	Sierra GSD
Manufacturer	Schwinn
Year of production	2007
Current price	Check price Here ==>
Color choice	- Green and Light Green -Dark Green and Green
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 13 (inches) - womens 17 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 13 (inches) - womens 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Smooth Rolling All Weather Touring
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	ProMax 3-Finger Lever Levers Radius MECH 7.0 Disc Brakes
Hubs for disc brakes	Rear: Quandro Alloy Disc With QR Front: Joy Tech Sealed Alloy Disc With QR
Rims manufacturer	32-hole Alex AP17
Spoke nipples type	CP Brass
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	Schwinn 'N Litened Aluminum
Frame type	TIG-welded
Handlebar construction	80 (millimeters) Rise Hi-Ten Steel
Handlebar extender	Optional
Handlebar stem details	Alloy Adjustable
Headset size	1 1/8 (inches) Threaded VP

Gearing Specifications

Bicycle chain	KMC Z72
Bottom bracket shell width	Not Available
Bottom bracket type	VP Semi-cartridge With JIS Square Taper
Crankset parts and sizes	28/38/48 Teeth SR Suntour XCC-T308
Gear shift levers	SRAM ESP 3.0 Comp
Rear gear set	11 - 32 Teeth 8-speed

Schwinn Sierra GSD Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) SR Suntour FD-CXM208
Derailleur (Rear)	SRAM SX4
Fork material	Single Crown Aluminum and steel
Fork type	63 (millimeters) Travel RST CT-COM 1

Other Specs of Schwinn Sierra GSD

Component group sets	Comfort Mix
Pedals details	Nylon Dual-compound Comfort
Rear shock absorber	Not Available
Saddle seat	Schwinn Comfort Tuned Plus
Seat post extension	26.6 (millimeters) Diameter Alloy Suspension Micro Adjust

Specialized Expedition Sport

General Infos

Model	Expedition Sport
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Sil -Blk
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Hemisphere
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Alloy Brakes
Hubs for disc brakes	Double Sealed
Rims manufacturer	32-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-Ten
Handlebar extender	Optional
Handlebar stem details	Ground Control Adjustable
Headset size	1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge
Crankset parts and sizes	24/34/42 Teeth Shimano FC-M131
Gear shift levers	Shimano Revo
Rear gear set	14 - 34 Teeth 7-speed

Specialized Expedition Sport Fork System Data

Derailleur (Front)	31.8 Clamp Bottom Pull Shimano FD-TX50
Derailleur (Rear)	Shimano Altus
Fork material	Aero
Fork type	SR Suntour NEX-4110V2

Other Specs of Specialized Expedition Sport

Component group sets	Comfort Mix
Pedals details	Comfort
Rear shock absorber	Not Available
Saddle seat	Comfort Plus
Seat post extension	27.2 (millimeters) Diameter Alloy Double Bolt