K2 PROFLEX BEAST 1998 VS Rocky Mountain FLATLINE UNLIMITED 2009 specs comparison

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
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

Rocky Mountain Flatline Unlimited

General Infos

Model	Flatline Unlimited
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Copper
Sizes	- Extra small - Small - Medium - Large

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.50 (inches) WTB Dissent Comp Front: 26 X 2.50 (inches) WTB Prowler MX Comp
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano M575 Hydraulic Levers Shimano M575 Disc Brakes
Hubs for disc brakes	Rear: Wheeltech Cartridge Disc With 12 (millimeters) Thru-axle Front: Wheeltech Cartridge Disc 20 (millimeters) Axle
Rims manufacturer	Mavic EX325
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum With Hydroformed DT
Frame type	TIG-welded
Handlebar construction	RMB Alloy DH Riser
Handlebar extender	Optional
Handlebar stem details	RMB DH Alloy 31.8 (millimeters)
Headset size	1 1/8 (inches) - 1 1/2 (inches) Integrated FSA Orbit Z 1.5R

Gearing Specifications

Bicycle chain	SRAM PC-951
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Ha (millimeters)erschmidt FR
Crankset parts and sizes	TruVativ Ha (millimeters)erschmidt
Gear shift levers	SRAM X.9 Trigger
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Flatline Unlimited Fork System Data

Derailleur (Front)	Internally Geared Crank
Derailleur (Rear)	SRAM X.9
Fork material	Single
Fork type	180 (millimeters) Travel Marzocchi 66 RCV

Other Specs of Rocky Mountain Flatline Unlimited

Component group sets	SRAM Ha (millimeters)erschmidt
Pedals details	RMB Flat
Rear shock absorber	170 - 213 (millimeters) Travel Fox DHX 3.0
Saddle seat	WTB Pure V Race
Seat post extension	30.9 (millimeters) Diameter RMB SP-601 2-bolt