K2 PROFLEX 2000 1998 VS Pivot FIREBIRD XT 2010 specs comparison

K2 ProFlex 2000

General Infos

Model	ProFlex 2000
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- grey -Copper
Sizes	- Large - medium - small - way big
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Panaracer Duster II Front: 26 X 2.10 (inches) Panaracer Duster II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX-RC Levers Shimano STX-RC V-Brake Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Shimano STX
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram Elite Double-butted
Frame type	TIG-welded
Handlebar construction	Titec Enduro
Handlebar extender	Polygon
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset Kontak AL-2

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-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX-RC
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex 2000 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano STX-RC Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Linkage Crown 6061-T6 Aluminum
Fork type	Noleen Cross-Link EXP With NR-1

Other Specs of K2 ProFlex 2000

Component group sets	Shimano STX-RC
Pedals details	K2 Mag C
Rear shock absorber	3.5 (inches) Travel Noleen NR-1
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Polygon PM-312

Pivot Firebird XT

General Infos

Model	Firebird XT
Manufacturer	Pivot
Year of production	2010
Current price	Check price Here ==>
Color choice	- Anodized Jet Black - White -Anodized Root Beer
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 (inches) Kenda Nevagal
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Shimano XT Levers Shimano XT Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole DT Swiss EX1750
Spoke nipples type	DT Pro Lock
Spoke wheel	Butted And Bladed DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	6000 Triple Butted Hydroformed Aluminum
Frame type	TIG-welded
Handlebar construction	710 (millimeters) X 20 (millimeters) Syncros FR 2014
Handlebar extender	Optional
Handlebar stem details	Syncros AM
Headset size	Semi-integrated FSA Gravity 1 DX and Pro 1.5 (inches) Reducer To 1 1/8 (inches)

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	92 (millimeters)
Bottom bracket type	Shimano XTR Internal
Crankset parts and sizes	Shimano XT
Gear shift levers	Shimano XT
Rear gear set	11 - 34 Teeth 9-speed

Pivot Firebird XT Fork System Data

Derailleur (Front)	E-type Shimano XT
Derailleur (Rear)	Shimano XT SGS
Fork material	Single Crown Magnesium and aluminum
Fork type	160 (millimeters) Travel Fox 36 Float RC2 FIT

Other Specs of Pivot Firebird XT

Component group sets	Shimano XT
Pedals details	Optional
Rear shock absorber	167 (millimeters) Travel Fox RP23
Saddle seat	WTB Pure V Race
Seat post extension	30.9 (millimeters) Diameter Syncros Derived