K2 PROFLEX BEAST 1998 VS Rocky Mountain ETSX-70 2005 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 ETSX-70

General Infos

Model	ETSX-70
Manufacturer	Rocky Mountain
Year of production	2005
Current price	Check price Here ==>
Color choice	-Polished and Black
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) IRC Mythos II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Dual Control Levers Shimano Deore XT Disc Brakes
Hubs for disc brakes	Shimano Deore XT Disc
Rims manufacturer	32-hole Rear: Mavic XC717 Front: Mavic XC 717
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition Stainless Steel

Frame and Body Specs

Frame materials	Easton 7005 Custom Bi-Oval
Frame type	TIG-welded
Handlebar construction	Race Face Deus XC
Handlebar extender	Optional
Handlebar stem details	Race Face Deus XC
Headset size	1 1/8 (inches) Threadless FSA Orbit

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Deus X-Type
Crankset parts and sizes	RaceFace Deus X-Type
Gear shift levers	Shimano Deore XT Dual Control
Rear gear set	9-speed

Rocky Mountain ETSX-70 Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT
Fork material	Single Crown Aluminum
Fork type	90 - 130 (millimeters) Adjustable Travel Fox Talas RLC

Other Specs of Rocky Mountain ETSX-70

Component group sets	Mountain Mix
Pedals details	Crank Brothers Egg Beater CX
Rear shock absorber	90 (inches) - 115 (inches) Adjustable Travel Fox Float RP3
Saddle seat	Selle Italia C2
Seat post extension	Race Face Deus XC