K2 PROFLEX 2000 1998 VS Marin ROCK SPRINGS 2005 specs comparison

K2 ProFlex 2000

General Infos

Model	ProFlex 2000
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- grey -Copper
Sizes	- Large - medium - small - way big
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Panaracer Duster II Front: 26 X 2.10 (inches) Panaracer Duster II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX-RC Levers Shimano STX-RC V-Brake Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Shimano STX
Rims manufacturer	32-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram Elite Double-butted
Frame type	TIG-welded
Handlebar construction	Titec Enduro
Handlebar extender	Polygon
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-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX-RC
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex 2000 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano STX-RC Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Linkage Crown 6061-T6 Aluminum
Fork type	Noleen Cross-Link EXP With NR-1

Other Specs of K2 ProFlex 2000

Component group sets	Shimano STX-RC
Pedals details	K2 Mag C
Rear shock absorber	3.5 (inches) Travel Noleen NR-1
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Polygon PM-312

Marin Rock Springs

General Infos

Model	Rock Springs
Manufacturer	Marin
Year of production	2005
Current price	Check price Here ==>
Color choice	-Matte Coal Gray
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.24 (inches) WTB MotoRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes Levers Hayes HFX-9 Hydraulic Disc Brakes
Hubs for disc brakes	Shimano Disc
Rims manufacturer	32-hole Mavic XM 117
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	FSA FR-230
Headset size	1 1/8 (inches) Threadless WTB Comp ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	22/32/44 Teeth TruVativ Five-D
Gear shift levers	Shimano Deore
Rear gear set	11 - 32 Teeth 9-speed

Marin Rock Springs Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Aluminum and magnesium
Fork type	130 (millimeters) Travel Fox Vanilla R

Other Specs of Marin Rock Springs

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520 SPD
Rear shock absorber	4 (inches) - 6 (inches) Adjustable Travel Fox Float R
Saddle seat	WTB Speed V Comp
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust