Trek 820 2007 VS Trek 3900 2010 specs comparison

Trek 820 2007 comparison online with competitors

Trek 820

General Infos
Model 820
Manufacturer Trek
Year of production 2007
Current price Check price Here ==>   
Color choice - Matte Navy and Matte Bluegray
-Hot Orange and Metallic Dark Silver
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (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 Levers
Tektro V Brakes
Hubs for disc brakesAlloy
Rims manufacturerMatrix 550
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsHi-tensile Steel and chromoly
Frame typeTIG-welded
Handlebar constructionBontrager Approved
Handlebar extenderOptional
Handlebar stem detailsBontrager Approved
Headset sizeAheadset Slimstak

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 28/38/48 Teeth
SR XCC-T208
Gear shift leversShimano EF-50
Rear gear set 13 - 34 Teeth
7-speed

Trek 820 Fork System Data

Derailleur (Front)Shimano C-051
Derailleur (Rear)Shimano Acera
Fork material Single Crown
Aluminum and steel
Fork type 63 (millimeters) Travel
RST 191 C7

Other Specs of Trek 820

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


Trek 3900 2010 comparison online with competitors

Trek 3900

General Infos
Model 3900
Manufacturer Trek
Year of production 2010
Current price Check price Here ==>   
Color choice - Matte Orange
-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 LT-3
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano EF-50 Levers
Tektro V-brake Brakes
Hubs for disc brakesFormula FM-31 Alloy
Rims manufacturerBontrager 550
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsAlpha White Aluminum
Frame typeTIG-welded
Handlebar constructionBontrager Approved Riser
Handlebar extenderOptional
Handlebar stem detailsBontrager Approved
Headset size1 1/8 (inches) Threadless VP-A68-TK

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 42/34/24 Teeth
Shimano M191
Gear shift leversShimano EF-50
Rear gear set 11 - 32 Teeth
8-speed

Trek 3900 Fork System Data

Derailleur (Front)Shimano C051
Derailleur (Rear)Shimano M-360
Fork materialSingle Crown
Fork type 100 (millimeters) Travel
SR Suntour SF9 XCT V2

Other Specs of Trek 3900

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


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