Pivot FIREBIRD XT 2009 VS K2 PROFLEX BEAST 1998 specs comparison

Pivot Firebird XT

General Infos

Model	Firebird XT
Manufacturer	Pivot
Year of production	2009
Current price	Check price Here ==>
Color choice	- Anodized Jet Black -Anodized Root Beer
Sizes	- Small - medium - large
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 (inches) Kenda Nevegal
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Shimano XT Hydraulic Levers Shimano XT Disc Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	DT Swiss
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	6000 Triple Butted Hydroformed Aluminum
Frame type	TIG-welded
Handlebar construction	Syncros Derived
Handlebar extender	Optional
Handlebar stem details	Syncros AM
Headset size	1 1/2 (inches) 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 Rapid Fire
Rear gear set	11 - 34 Teeth 9-speed

Pivot Firebird XT Fork System Data

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

Other Specs of Pivot Firebird XT

Component group sets	Shimano XT
Pedals details	Not Available
Rear shock absorber	167 (millimeters) Travel Fox Float
Saddle seat	WTB Pure V Race
Seat post extension	Syncros Derived

K2 ProFlex Beast

General Infos

Model	ProFlex Beast
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- purple and yellow -Black with red vertebrae
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Panaracer Smoke Kevlar Front: 26 X 2.10 (inches) Panaracer Dart 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	36-hole Sun Rims XC
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec Enduro Hell Bent
Handlebar extender	Optional
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-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex Beast 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	Double Triple-clamp Crown Aluminum and magnesium
Fork type	K2 Bikes Proflex Girvin Noleen Pipeline Chubby LT

Other Specs of K2 ProFlex Beast

Component group sets	Shimano Deore LX
Pedals details	K2 Mag C
Rear shock absorber	5.0 (inches) Travel Noleen NR-2
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Polygon PM-312