Trek SESSION 88 DH 2009 VS K2 PROFLEX 4000 1998 specs comparison

Trek Session 88 DH

General Infos

Model	Session 88 DH
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black and Polished Aluminum
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.50 (inches) Bontrager Big Earl
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy Elixir CR Levers Avid Juicy Elixir CR With 203 (millimeters) Rotor Front and Avid Juicy Elixir CR With 180 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Bontrager King Earl
Rims manufacturer	Bontrager King Earl
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 King Earl
Handlebar extender	Optional
Handlebar stem details	Bontrager Big Earl
Headset size	1 1/8 (inches) - 1 1/2 (inches) Integrated Cane Creek Custom

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	83 (millimeters)
Bottom bracket type	Not Available
Crankset parts and sizes	38 Teeth Shimano Saint With MRP G2 Chainguide
Gear shift levers	Sram X.0
Rear gear set	12 - 26 Teeth 9-speed

Trek Session 88 DH Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	SRAM X.0
Fork material	Dual
Fork type	203 (millimeters) Travel Fox 40 RC2 Ti Coil

Other Specs of Trek Session 88 DH

Component group sets	Not Available
Pedals details	Bontrager King Earl Platform
Rear shock absorber	203 (millimeters) Travel Fox DHX 5.0 Coil
Saddle seat	Bontrager Big Earl
Seat post extension	Bontrager Big Earl

K2 ProFlex 4000

General Infos

Model	ProFlex 4000
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- red -Blue
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Panaracer Duster II Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 342
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec Enduro 141
Handlebar extender	Aluminum
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs PC-51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex 4000 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Linkage Crown Aluminum
Fork type	Noleen Cross-Link ELT

Other Specs of K2 ProFlex 4000

Component group sets	Shimano Deore XT
Pedals details	K2 Mag C
Rear shock absorber	4.0 (inches) Travel K2 Smart Shock
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Titec PG