K2 PROFLEX BEAST 1998 VS Rocky Mountain ALTITUDE 70 2010 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 Altitude 70

General Infos

Model	Altitude 70
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 (inches) Continental Mountain King
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Formula R1 Hydraulic Levers Formula R1 Carbon Disc With 180 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: DT Swiss 370 Front: DT Swiss 370 15 (millimeters) Thru-axle
Rims manufacturer	Stans ZTR Arch
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Competition

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Race Face Deus Low Riser
Handlebar extender	Optional
Handlebar stem details	Race Face Deus
Headset size	FSA Orbit MX

Gearing Specifications

Bicycle chain	Shimano HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Race Face Deus XC X-Type
Crankset parts and sizes	22/32/44 Teeth Race Face Deus X-Type
Gear shift levers	Shimano XT Rapid Fire
Rear gear set	11 - 34 Teeth 9-speed

Rocky Mountain Altitude 70 Fork System Data

Derailleur (Front)	DMD Shimano XT
Derailleur (Rear)	Shimano XTR
Fork material	Single Crown Magnesium and aluminum
Fork type	140 (millimeters) Travel Fox 32 Float RL FIT With 15QR Thru Axle

Other Specs of Rocky Mountain Altitude 70

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520
Rear shock absorber	140 (millimeters) Travel Fox Float RP23
Saddle seat	Fi'zi:k Nisene
Seat post extension	30.9 (millimeters) Diameter Race Face Deus XC