K2 PROFLEX 4000 SE 1998 VS Specialized SAFIRE EXPERT CARBON 2010 specs comparison

K2 ProFlex 4000 SE

General Infos

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

Other Specs of K2 ProFlex 4000 SE

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

Specialized Safire Expert Carbon

General Infos

Model	Safire Expert Carbon
Manufacturer	Specialized
Year of production	2010
Current price	Check price Here ==>
Color choice	-Carbon Brown and Tan
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.00 (inches) S-Works The Captain Control Front: 26 X 2.20 (inches) S-Works The Captain
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Elixir CR SL Levers Avid Elixir CR SL Brakes
Hubs for disc brakes	Rear: Dt Swiss 330 SL Front: Specialized Hi Lo Disc
Rims manufacturer	DT Swiss X420SL
Spoke nipples type	Not Available
Spoke wheel	1.8/1.6 DT Swiss Stainless

Frame and Body Specs

Frame materials	M5 Aluminum Rear Triangle FACT 9m Carbon Triangle
Frame type	Not Available
Handlebar construction	31.8 640 (millimeters) Wide With Graphic Specialized XC Rise
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) - 1 1/2 (inches) Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	SRAM PC-971
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Integrated
Crankset parts and sizes	22/32/44 Teeth Shimano M-762 XT
Gear shift levers	SRAM X-9 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Safire Expert Carbon Fork System Data

Derailleur (Front)	DMD Shimano SLX FD-M660
Derailleur (Rear)	SRAM X-0 Mid-cage
Fork material	Not Available
Fork type	140/120/100 (millimeters) Adjustable Travel Fox 32 Talas RL

Other Specs of Specialized Safire Expert Carbon

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	120 (millimeters) Travel Specialized AFR Brain Fade
Saddle seat	Specialized BG Ariel Women's
Seat post extension	30.9 (millimeters) Diameter Single Bolt Setback 2014 Butted Alloy