Trek 3900 WSD 2007 VS North Star ESTRELLA AL 1997 specs comparison

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)
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


North Star Estrella Al 1997 comparison online with competitors

North Star Estrella Al

General Infos
Model Estrella Al
Manufacturer North Star
Year of production 1997
Current price Check price Here ==>   
Color choice -Ball burnished
Sizes - 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)

Wheels And Breaking System

Bike front tire26 X 2.10 (inches) WTB VelociRaptor
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Tektro RBP-375A Levers
Tektro 876AG V-Brake Brakes
Hubs for disc brakes Rear: Shimano STX-RC
Front: North Star
Rims manufacturer 32-hole
Araya GP-710
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materials Double-butted
North Star Superlite Aluminum
Frame typeTIG-welded
Handlebar constructionNorth Star Pro Series
Handlebar extenderOptional
Handlebar stem detailsNorth Star
Headset size1 1/8 (inches) Threadless Dia-Tech

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-IG51
Bottom bracket shell width68 (millimeters) English
Bottom bracket typeShimano BB-UN52
Crankset parts and sizes 24/34/42 Teeth
Shimano Alivio
Gear shift leversGrip Shift SRT-400i
Rear gear set 11 - 30 Teeth
8-speed

North Star Estrella Al Fork System Data

Derailleur (Front) Top-pull and clamp-on 35.0 (millimeters)
Shimano Alivio Top-swing
Derailleur (Rear)Shimano STX
Fork material Triple-clamp Crown
Magnesium
Fork typeRock Shox Indy C

Other Specs of North Star Estrella Al

Component group setsShimano STX-RC and Alivio
Pedals detailsChromoly Cage With Clips & Straps
Rear shock absorberNot Available
Saddle seatNorth Star Competition
Seat post extensionNorth Star Micro-adjust


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