Trek 3900 DISC 2011 VS Gary Fisher COBIA 2008 specs comparison

Trek 3900 Disc 2011 comparison online with competitors

Trek 3900 Disc

General Infos
Model 3900 Disc
Manufacturer Trek
Year of production 2011
Current price Check price Here ==>   
Color choice -Deep Blue
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)

Wheels And Breaking System

Bike front tire26 X 2.0 (inches) Bontrager LT3
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano EF50 Levers
Tektro Novela Brakes
Hubs for disc brakes Rear: Shimano Alloy M475
Front: Formula DC20
Rims manufacturer 36-hole
Bontrager 550
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsAlloy
Frame typeTIG-welded
Handlebar constructionBontrager Approved Riser
Handlebar extenderOptional
Handlebar stem detailsBontrager Approved
Headset size1 1/8 (inches) Threadless Semi Integrated

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 24/34/42 Teeth
Shimano M171
Gear shift leversShimano EF51
Rear gear set 11 - 32 Teeth
8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)Shimano M190
Derailleur (Rear)Shimano M360
Fork materialSingle
Fork type 100 (millimeters) Travel
SR Suntour XCT

Other Specs of Trek 3900 Disc

Component group setsShimano Mix
Pedals detailsWellgo Nylon Platform
Rear shock absorberNot Available
Saddle seatBontager SSR
Seat post extension 31.6 (millimeters) Diameter
Bontrager SSR


Gary Fisher Cobia 2008 comparison online with competitors

Gary Fisher Cobia

General Infos
Model Cobia
Manufacturer Gary Fisher
Year of production 2008
Current price Check price Here ==>   
Color choice -Gloss Charcoal
Sizes - 15.5 (inches)
- 17.5 (inches)
- 19 (inches)
- 21 (inches)

Wheels And Breaking System

Bike front tire29 X 2.20 (inches) Bontrager Jones ACX
Bike rear tireNot Available
Bike wheel size29 (inches) Wheels
Brakeset type Avid FR-5 Front and Avid FR- 5 Rear Levers
Avid BB-5 Disc Brakes
Hubs for disc brakesShimano M475 Disc
Rims manufacturerBontrager Ranger
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsPlatinum Series 6066 Aluminum
Frame typeTIG-welded
Handlebar constructionBontrager Big Sweep OS
Handlebar extenderOptional
Handlebar stem detailsBontrager Sport
Headset size1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeShimano Octalink
Crankset parts and sizes 22/32/44 Teeth
Shimano M442
Gear shift leversSRAM X.5 Trigger
Rear gear set 11 - 34 Teeth
9-speed

Gary Fisher Cobia Fork System Data

Derailleur (Front)Shimano Deore
Derailleur (Rear)SRAM X.5
Fork material Single Crown
Aluminum
Fork type 80 (millimeters) Travel
RockShox Tora 318 Air 29er

Other Specs of Gary Fisher Cobia

Component group setsMountain Mix
Pedals detailsAlloy and Nylon With Clips And Straps
Rear shock absorberNot Available
Saddle seatBontrager Race
Seat post extensionBontrager Sport


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