Trek PORTLAND 2011 VS Schwinn SIERRA GS 2007 specs comparison

Trek Portland

General Infos

Model	Portland
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Tritanite Black
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters)
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Bontrager Race All Weather Hard Case
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Avid BB-R7
Hubs for disc brakes	Bontrager SSR Disc
Rims manufacturer	Bontrager SSR Disc
Spoke nipples type	Not Available
Spoke wheel	Bontrager SSR

Frame and Body Specs

Frame materials	Alloy
Frame type	TIG-welded
Handlebar construction	Bontrager Race
Handlebar extender	Optional
Handlebar stem details	Bontrager Race Lite
Headset size	Slimstack

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	30/39/50 Teeth FSA Vero Powerdrive Triple
Gear shift levers	Shimano Tiagra STI
Rear gear set	11 - 26 Teeth 9-speed

Trek Portland Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra
Fork material	Single Crown Carbon
Fork type	Bontrager Satellite Plus

Other Specs of Trek Portland

Component group sets	Shimano Tiagra
Pedals details	VP Nylon Body With Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Bontrager Race
Seat post extension	Bontrager Race

Schwinn Sierra GS

General Infos

Model	Sierra GS
Manufacturer	Schwinn
Year of production	2007
Current price	Check price Here ==>
Color choice	- Green and Champagne - Green and Champagne - Violet and Lavender -Dark Red and Silver
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 Pro Max Alloy Linear Pull Brakes
Hubs for disc brakes	Formula Sealed Alloy With QR
Rims manufacturer	36-hole Single Wall Silver Anodized
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 Z51
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-T208
Gear shift levers	SRAM 3.0
Rear gear set	13 - 34 Teeth 7-speed

Schwinn Sierra GS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) SR Suntour FD-XR05
Derailleur (Rear)	SRAM 3.0
Fork material	Single Crown Aluminum and steel
Fork type	50 (millimeters) Travel SR Suntour M2000

Other Specs of Schwinn Sierra GS

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