Rocky Mountain FLATLINE 1 2009 VS K2 PROFLEX 4000 1998 specs comparison

Rocky Mountain Flatline 1

General Infos

Model	Flatline 1
Manufacturer	Rocky Mountain
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Extra small - Small - Medium - Large
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	Alex FR 32
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 Howitzer
Crankset parts and sizes	36 Teeth TruVativ Hussefelt
Gear shift levers	SRAM SX.5 Trigger
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Flatline 1 Fork System Data

Derailleur (Front)	Chain Retention Device Truvativ Box Guide
Derailleur (Rear)	SRAM X.7
Fork material	Single
Fork type	180 (millimeters) Travel RockShox Domain 302

Other Specs of Rocky Mountain Flatline 1

Component group sets	SRAM X.7/mix
Pedals details	RMB Flat
Rear shock absorber	170 - 213 (millimeters) Travel Fox Van R
Saddle seat	WTB Pure V Race
Seat post extension	30.9 (millimeters) Diameter RMB SP-601 2-bolt

K2 ProFlex 4000

General Infos

Model	ProFlex 4000
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- red -Blue
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 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 ELT

Other Specs of K2 ProFlex 4000

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