K2 PROFLEX 2000 1998 VS GT MARATHON SPORT 2009 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

GT Marathon Sport

General Infos

Model	Marathon Sport
Manufacturer	GT
Year of production	2009
Current price	Check price Here ==>
Color choice	-Dark Silver
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Kenda Nevegal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Auriga Comp Hydraulic Levers Tektro Auriga Comp With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Shimano Disc
Rims manufacturer	WTB SX24
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	GT I-Drive 4 6061 Aluminum
Frame type	TIG-welded
Handlebar construction	GT OE Riser 31.8 (millimeters)
Handlebar extender	Optional
Handlebar stem details	GT ATB
Headset size	1 1/8 (inches) FSA Integrated

Gearing Specifications

Bicycle chain	Shimano Nine Speed
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano
Gear shift levers	Shimano
Rear gear set	11 - 32 Teeth 9-speed

GT Marathon Sport Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Magnesium and aluminum
Fork type	120 (millimeters) Travel SR Suntour Mag-32

Other Specs of GT Marathon Sport

Component group sets	Shimano Deore and mix
Pedals details	Shimano PD-M520
Rear shock absorber	4 (inches) Travel Fox Float R
Saddle seat	WTB Speed V
Seat post extension	Alloy Micro Adjust