Trek 3900 2005 VS Trek 820 2009 specs comparison

Trek 3900 2005 comparison online with competitors

Trek 3900

General Infos
Model 3900
Manufacturer Trek
Year of production 2005
Current price Check price Here ==>   
Color choice - Black
-Yellow and Blue
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)
- womens 13 (inches)
- womens 16 (inches)
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)
- womens 13 (inches)
- womens 16 (inches)

Wheels And Breaking System

Bike front tire26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano Levers
Tektro Aluminum Brakes
Hubs for disc brakes Q and R
Rear: Shimano FH-RM30
Front: Aluminum
Rims manufacturerMatrix 550
Spoke nipples typeNot Available
Spoke wheelStainless Steel

Frame and Body Specs

Frame materialsAlpha Aluminum
Frame typeTIG-welded
Handlebar constructionBontrager
Handlebar extenderOptional
Handlebar stem detailsBontrager
Headset sizeNot Available

Gearing Specifications

Bicycle chain1/2 X 3/32 (inches)
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 24/34/42 Teeth
SR
Gear shift leversShimano ST-EF29
Rear gear set 11 - 32 Teeth
8-speed

Trek 3900 Fork System Data

Derailleur (Front)Shimano FD-C050
Derailleur (Rear)Shimano Acera
Fork material Single Crown
Aluminum
Fork type 70 (millimeters)
InSync Grind 1

Other Specs of Trek 3900

Component group setsMountain Mix
Pedals detailsNylon
Rear shock absorberNot Available
Saddle seatBontrager Sport
Seat post extensionBontrager


Trek 820 2009 comparison online with competitors

Trek 820

General Infos
Model 820
Manufacturer Trek
Year of production 2009
Current price Check price Here ==>   
Color choice - Gloss Black and Gloss White
-Matte Black
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)

Wheels And Breaking System

Bike front tire26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano EF-50 EZ Fire Integrated Levers
Tektro V-brake Brakes
Hubs for disc brakesAlloy
Rims manufacturerMatrix 550
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsTrek Custom Steel With CroMoly Seat Tube
Frame typeTIG-welded
Handlebar constructionBontrager Approved
Handlebar extenderOptional
Handlebar stem detailsBontrager Approved
Headset size1 1/8 (inches) Threadless VP A76C-TK

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 28/38/48 Teeth
SR Suntour XCC T-208
Gear shift leversShimano EF-50 EZ Fire Integrated
Rear gear set 13 - 34 Teeth
7-speed

Trek 820 Fork System Data

Derailleur (Front)Shimano C051
Derailleur (Rear)Shimano Acera
Fork materialSingle Crown
Fork type 63 (millimeters) Travel
SR Suntour M-2025

Other Specs of Trek 820

Component group setsShimano Mix
Pedals detailsNylon Platform
Rear shock absorberNot Available
Saddle seatBontrager Approved
Seat post extensionBontrager Approved


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