Trek JACK 2 2007 VS North Star ESTRELLA 1997 specs comparison

Trek Jack 2 2007 comparison online with competitors

Trek Jack 2

General Infos
Model Jack 2
Manufacturer Trek
Year of production 2007
Current price Check price Here ==>   
Color choice -Gloss Orange
Sizes - 13 (inches)
- 15 (inches)
- 17 (inches)
Sizes - 13 (inches)
- 15 (inches)
- 17 (inches)

Wheels And Breaking System

Bike front tire26 X 2.40 (inches) Bontrager Earl
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Hayes Levers
Hayes MX-2 Mechanical With 8 (inches) Rotor Front and Hayes MX-2 Mechanical With 6 (inches) Rotor Rear Brakes
Hubs for disc brakesShimano M-475 Disc
Rims manufacturerSun Ditch Witch
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsAlpha Aluminum
Frame typeTIG-welded
Handlebar constructionBontrager Big Earl
Handlebar extenderOptional
Handlebar stem detailsBontrager Earl
Headset size Semi-cartridge
Aheadset

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 22/32/44 Teeth
Bontrager Big Earl
Gear shift leversShimano Alivio
Rear gear set 11 - 32 Teeth
8-speed

Trek Jack 2 Fork System Data

Derailleur (Front)Shimano Alivio
Derailleur (Rear)Shimano Alivio
Fork material Single Crown
Aluminum and magnesium
Fork type 100 (millimeters) Travel
Manitou Slate Comp FFD

Other Specs of Trek Jack 2

Component group setsShimano Alivio
Pedals detailsAlloy Platform
Rear shock absorberNot Available
Saddle seatBontrager Big Earl Jump
Seat post extensionBontrager Sport


North Star Estrella 1997 comparison online with competitors

North Star Estrella

General Infos
Model Estrella
Manufacturer North Star
Year of production 1997
Current price Check price Here ==>   
Color choice -Matte blue
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
Heat-treated
Chromoly
Frame typeTIG-welded
Handlebar constructionNorth Star Pro Series
Handlebar extenderOptional
Handlebar stem detailsNorth Star
Headset size1 (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 Fork System Data

Derailleur (Front) Top-pull and clamp-on 28.6 (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

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


Useful links and guides ....