K2 PROFLEX 4000 SE 1998 VS Rocky Mountain ELEMENT 50 2010 specs comparison

K2 ProFlex 4000 SE

General Infos

Model	ProFlex 4000 SE
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- red -Blue
Sizes	- Large - medium - small - way big
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Panaracer Duster II Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 342
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec Enduro 141
Handlebar extender	Aluminum
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Aheadset

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-UN72
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex 4000 SE 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	Linkage Crown Aluminum
Fork type	Noleen Cross-Link CS

Other Specs of K2 ProFlex 4000 SE

Component group sets	Shimano Deore XT
Pedals details	K2 Mag C
Rear shock absorber	4.0 (inches) Travel K2 Smart Shock
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Titec PG

Rocky Mountain Element 50

General Infos

Model	Element 50
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	- Tribal -White and Black
Sizes	- 15 - 16.5 - 18 - 19 - 20.5

Wheels And Breaking System

Bike front tire	26 X 1.00 (inches) Continental Race King
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Formula RX Levers Formula RX Disc With 180 (millimeters) Rotor Front and Formula RX Disc With 160 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Mavic Crossride
Rims manufacturer	Mavic Crossride
Spoke nipples type	Not Available
Spoke wheel	Wheelset Mavic

Frame and Body Specs

Frame materials	RMB FORM 7005 Aluminum With Carbon Seatstays
Frame type	TIG-welded
Handlebar construction	Easton EC70 Monkey Lite XC Low Rise 685 (millimeters)
Handlebar extender	Optional
Handlebar stem details	Reaston EA50
Headset size	FSA Orbit MX

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	RaceFace Evolve XC X-type
Crankset parts and sizes	22/32/44 Teeth RaceFace Evolve XC
Gear shift levers	Shimano SLX RapidFire
Rear gear set	11 - 34 Teeth 9-speed

Rocky Mountain Element 50 Fork System Data

Derailleur (Front)	Clamp On 31.8 (millimeters) Shimano SLX
Derailleur (Rear)	Shimano XT
Fork material	Single
Fork type	100 (millimeters) Travel Fox 32 F100 RL

Other Specs of Rocky Mountain Element 50

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520
Rear shock absorber	100 (millimeters) Travel Fox Float RPL
Saddle seat	WTB Silverado Race SL
Seat post extension	27.2 (millimeters) Diameter Easton EA50