North Star ESTRELLA AL 1997 VS Trek 8500 2008 specs comparison

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)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (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 type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted North Star Superlite Aluminum
Frame type	TIG-welded
Handlebar construction	North Star Pro Series
Handlebar extender	Optional
Handlebar stem details	North Star
Headset size	1 1/8 (inches) Threadless Dia-Tech

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Grip 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 type	Rock Shox Indy C

Other Specs of North Star Estrella Al

Component group sets	Shimano STX-RC and Alivio
Pedals details	Chromoly Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	North Star Competition
Seat post extension	North Star Micro-adjust

Trek 8500

General Infos

Model	8500
Manufacturer	Trek
Year of production	2008
Current price	Check price Here ==>
Color choice	-Onyx and Metallic Black
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.25 (inches) Bontrager Jones XR Front: 26 X 2.20 (inches) Bontrager Jones XR
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XT Levers Shimano XT Disc With 180 (millimeters) Rotor Front and Shimano XT Disc With 160 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Bontrager Race Lite
Rims manufacturer	Bontrager Race Lite
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Red Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Race Lite
Handlebar extender	Optional
Handlebar stem details	Bontrager Race X Lite
Headset size	Cane Creek S-3

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano Deore XT
Gear shift levers	Shimano XT Rapid Fire
Rear gear set	11 - 32 Teeth 9-speed

Trek 8500 Fork System Data

Derailleur (Front)	Shimano XT
Derailleur (Rear)	Shimano XT Shadow
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Fox 32 F100RL

Other Specs of Trek 8500

Component group sets	Shimano XT
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Bontrager Race Lite
Seat post extension	Bontrager Race X Lite ACC Carbon