Kona UNIT 2009 VS Trek 3900 WSD 2007 specs comparison

Kona Unit 2009 comparison online with competitors

Kona Unit

General Infos
Model Unit
Manufacturer Kona
Year of production 2009
Current price Check price Here ==>   
Color choice -Black Metallic
Sizes - 16 (inches)
- 18 (inches)
- 19 (inches)
- 20 (inches)
- 22 (inches)
Sizes - 16 (inches)
- 18 (inches)
- 19 (inches)
- 20 (inches)
- 22 (inches)

Wheels And Breaking System

Bike front tire29 X 2.10 (inches) Maxxis Ignitor
Bike rear tireNot Available
Bike wheel size29 (inches) Wheels
Brakeset type Avid FR-5 Levers
Avid BB 5 Mechanical Brakes
Hubs for disc brakesFormula Disc
Rims manufacturerMavic TN 719
Spoke nipples typeNot Available
Spoke wheel 15ga.
Sandvic Stainless

Frame and Body Specs

Frame materialsKona Chromoly Butted
Frame typeTIG-welded
Handlebar constructionKona XC and BC
Handlebar extenderOptional
Handlebar stem detailsKona XC and BC
Headset size1 1/8 (inches) TH

Gearing Specifications

Bicycle chainKMC Z610
Bottom bracket shell width73 (millimeters)
Bottom bracket typeFSA Mega EXO
Crankset parts and sizes 32 Teeth
FSA V-Drive SS
Gear shift leversNot Available
Rear gear set 18 Teeth
1-speed

Kona Unit Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork materialUnicrown
Fork typeKona P2 29er Disc

Other Specs of Kona Unit

Component group setsSingle Speed Mix
Pedals detailsKona Jackshit Deluxe
Rear shock absorberNot Available
Saddle seatWTB Rocket V Comp
Seat post extensionKona XC and BC


Trek 3900 WSD 2007 comparison online with competitors

Trek 3900 WSD

General Infos
Model 3900 WSD
Manufacturer Trek
Year of production 2007
Current price Check price Here ==>   
Color choice - Pearl Green
-Trans Blue
Sizes - Womens 13 (inches)
- womens 16 (inches)
- womens 19.5 (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 Levers
Tektro V Brakes
Hubs for disc brakes Rear: Shimano RM-30
Front: Alloy
Rims manufacturerMatrix 550
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsAlpha Aluminum
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 24/34/42 Teeth
SR XCC-T102
Gear shift leversShimano EF-50
Rear gear set 11 - 32 Teeth
8-speed

Trek 3900 WSD Fork System Data

Derailleur (Front)Shimano C-050
Derailleur (Rear)Shimano Acera
Fork material Single Crown
Aluminum and steel
Fork type 70 (millimeters) Travel
InSync Grind 1

Other Specs of Trek 3900 WSD

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


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