K2 ZED 4.0 2002 VS Trek 3900 2006 specs comparison

K2 Zed 4.0

General Infos

Model	Zed 4.0
Manufacturer	K2
Year of production	2002
Current price	Check price Here ==>
Color choice	-Black and Gold
Sizes	- Large - medium - small - way big
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.00 (inches) WTB NanoRaptor DNA Front: 26 X 2.10 (inches) WTB NanoRaptor DNA
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid AD 3 Levers Avid Single Digit 3 Brakes
Hubs for disc brakes	WTB Speed C2
Rims manufacturer	32-hole WTB SpeedMaster
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge WTB Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Butted Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum Threadless
Headset size	1 1/8 (inches) Threadless WTB Momentum Comp ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z9000
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth Shimano Deore
Gear shift levers	Shimano Deore RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

K2 Zed 4.0 Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore LX
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Single Triple-clamp Crown Aluminum
Fork type	3.15 (inches) Travel Answer Manitou Six Elite

Other Specs of K2 Zed 4.0

Component group sets	Mountain Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	WTB SST.X3
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

Trek 3900

General Infos

Model	3900
Manufacturer	Trek
Year of production	2006
Current price	Check price Here ==>
Color choice	- Willow Green and Gray Green -Matte Lava Black and Matte Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Rear: Shimano RM30 Front: Aluminum
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Alpha Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-tensile
Handlebar extender	Not Available
Handlebar stem details	Bontrager
Headset size	Aheadset Slimstak

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/34/42 Teeth SR XCC-150
Gear shift levers	Shimano EF50
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Fork System Data

Derailleur (Front)	Shimano FD-C050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown Aluminum
Fork type	70 (millimeters) Travel InSync Grind 1

Other Specs of Trek 3900

Component group sets	Mountain Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Sport
Seat post extension	Bontrager