K2 PROFLEX 4000 1998 VS Specialized SAFIRE FSR EXPERT 2008 specs comparison

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
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

Specialized Safire FSR Expert

General Infos

Model	Safire FSR Expert
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	- Green -Red and Black
Sizes	- Womens S - womens M - womens L

Wheels And Breaking System

Bike front tire	Rear: 26x2.00 (inches) S-Works The Captain Front: 26 X 2.00 (inches) S-Works The Captain
Bike rear tire	Not Available
Bike wheel size	Rear: 26x2.00 (inches) Wheels Front: 26 (inches)
Brakeset type	160 (millimeters) Brakes Avid Ultimate 7 Levers Avid Ultimate 7 Disc
Hubs for disc brakes	Rear: Dt Swiss Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss X420
Spoke nipples type	Alloy Niples
Spoke wheel	1.8/1.6 Double-butted DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 6 Up 620 (millimeters) Wide 8 Back Specialized OS XC Low Rise 2014 Alloy Bar
Handlebar extender	Optional
Handlebar stem details	3D Forged With CNC Finish 31.8 (millimeters) Clamp Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano M-762 XT
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 FSR Expert Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano M581 LX
Derailleur (Rear)	SRAM X.0 Mid Cage
Fork material	Single Crown Aluminum
Fork type	120 (millimeters) Travel Fox F120 RLC

Other Specs of Specialized Safire FSR Expert

Component group sets	Mountain Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	120 (millimeters) Travel Specialized AFR With Remote Brain Fade
Saddle seat	Hollow Cr-Mo Rails Specialized Women's Ariel
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust