Schwinn FRONTIER GSD 2007 VS Trek 3900 2009 specs comparison

Schwinn Frontier GSD

General Infos

Model	Frontier GSD
Manufacturer	Schwinn
Year of production	2007
Current price	Check price Here ==>
Color choice	- Light Blue and Dark Blue -Red and Black
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 1.95 (inches) Schwinn Frontier ATB
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers Radius MECH 7.0 Disc Brakes
Hubs for disc brakes	Alloy Sealed Disc With QR
Rims manufacturer	32-hole Alloy ATB
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	Schwinn 'N Litened Aluminum
Frame type	TIG-welded
Handlebar construction	40 (millimeters) Rise
Handlebar extender	Optional
Handlebar stem details	Schwinn Trail Tuned Alloy Threadless
Headset size	1 1/8 (inches) Threadless FPD Threadless

Gearing Specifications

Bicycle chain	KMC Z51
Bottom bracket shell width	68 (millimeters) American
Bottom bracket type	125 (millimeters) Spindle VP Semi-cartridge
Crankset parts and sizes	24/34/42 Teeth SR Suntour XCC-T202
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	13 - 30 Teeth 7-speed

Schwinn Frontier GSD Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 31.8 (millimeters) SR Suntour XCM102
Derailleur (Rear)	Shimano Altus CT95
Fork material	Single Crown Aluminum and steel
Fork type	50 (millimeters) Travel SR Suntour XCU

Other Specs of Schwinn Frontier GSD

Component group sets	Mountain Mix
Pedals details	Comfort ATB Resin Platform With Boron Axle
Rear shock absorber	Not Available
Saddle seat	Schwinn Trail Tuned
Seat post extension	26.6 (millimeters) Diameter Alloy Micro Adjust

Trek 3900

General Infos

Model	3900
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	- Matte Blue and Brushed Silver -Matte Khaki
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers Tektro V-brake Brakes
Hubs for disc brakes	Alloy
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Approved
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP A76C-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth SR Suntour XCC T-208
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	13 - 34 Teeth 7-speed

Trek 3900 Fork System Data

Derailleur (Front)	Shimano C051
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	80 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 3900

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Approved
Seat post extension	Bontrager Approved