K2 PROFLEX 4500C 1998 VS Specialized DEMO 8 2 2008 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 Demo 8 2

General Infos

Model	Demo 8 2
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.30 (inches) Specialized Chunder
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	185 (millimeters) Rotor Rear Brakes 203 (millimeters) Rotor Front and Avid Code 7 Avid Code 7 Hydraulic Disc Hydraulic Disc Hydraulic Disc Levers Avid Code 7
Hubs for disc brakes	20 (millimeters) Thru Axle Rear: Specialized Bolt-on 135 (millimeters) Hollow 10 (millimeters) Cr-Mo Axle With RD Guard Front: Specialized Disc
Rims manufacturer	36-hole DT Swiss EX5.1D
Spoke nipples type	Alloy Niples
Spoke wheel	14/15ga. Double-butted DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 (millimeters) 6066 Alloy 680 (millimeters) Wide Specialized Demo Rise Bar
Handlebar extender	Optional
Handlebar stem details	TruVativ Holzfeller
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	Truvativ Holzfeller Team
Crankset parts and sizes	170 (millimeters) 36 Teeth With Gamut P-30 Guide Truvativ Holzfeller
Gear shift levers	SRAM X-9 Trigger
Rear gear set	12 - 26 Teeth 9-speed

Specialized Demo 8 2 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	SRAM X-0
Fork material	Dual
Fork type	200 (millimeters) Travel Fox 40 RC2

Other Specs of Specialized Demo 8 2

Component group sets	Downhill Mix
Pedals details	Screw In Pins Specialized Lo-Pro Mag
Rear shock absorber	8.2 (inches) Travel Fox DHX 5.0 Coil Over
Saddle seat	8 (millimeters) Cr-Mo Rails Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter Thomson