K2 PROFLEX 4500C 1998 VS Specialized STUMPJUMPER FSR PRO 2007 specs comparison

K2 ProFlex 4500C

General Infos

Model	ProFlex 4500C
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	-Natural carbon
Sizes	- Large - medium - way big
Sizes	- Large - medium - 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 LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 432
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Carbon-reinforced Thermoplastic
Frame type	Laminated Carbon Fiber
Handlebar construction	Titec Enduro 141
Handlebar extender	Aluminum
Handlebar stem details	Aluminum
Headset size	1 1/8" c

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 4500C 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 4500C

Component group sets	Shimano Deore XT
Pedals details	K2 Mag C
Rear shock absorber	4.0 (inches) Travel Noleen NR-4 Piggyback
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Titec PG

Specialized Stumpjumper FSR Pro

General Infos

Model	Stumpjumper FSR Pro
Manufacturer	Specialized
Year of production	2007
Current price	Check price Here ==>
Color choice	-Anodized Organic
Sizes	- Xlarge - small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Specialized Resolution Pro
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Magura Marta Levers Magura Marta With 200 (millimeters) Rotor Front and Magura Marta With 180 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Rear: DT Swiss Custom SL Front: Specialized Stout Disc
Rims manufacturer	32-hole DT Swiss XR 4.2D
Spoke nipples type	Alloy
Spoke wheel	14/17/15ga. Butted DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	Specialized M5 ORE Aluminum
Frame type	TIG-welded and monocoque
Handlebar construction	SBC OS XC Carbon Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized Adjustable
Headset size	1 1/8 (inches) Threadless Alloy Sealed

Gearing Specifications

Bicycle chain	SRAM PC-951
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano Deore XT
Gear shift levers	SRAM X.0 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Stumpjumper FSR Pro Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Deore XT
Derailleur (Rear)	SRAM X.0
Fork material	Single Crown Aluminum and magnesium
Fork type	100-140 (millimeters) Fox Talas X

Other Specs of Specialized Stumpjumper FSR Pro

Component group sets	SRAM X.0/mix
Pedals details	Shimano PD-M520
Rear shock absorber	120 (millimeters) Specialized AFR Flow Control
Saddle seat	Specialized BG Rival Titanium
Seat post extension	30.9 (millimeters) Diameter Thomson Elite