K2 PROFLEX 2000 1998 VS Trek FUEL EX 5 2011 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

Trek Fuel EX 5

General Infos

Model	Fuel EX 5
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Gloss Black
Sizes	- 15.5 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.2 (inches) Bontrager XR3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	SRAM X.5 Levers Avid Juicy 3 Brakes
Hubs for disc brakes	Rear: Shimano Alloy M475 Front: Formula DC20
Rims manufacturer	32-hole Bontrager Ranger
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alloy
Frame type	TIG-welded
Handlebar construction	Bontrager Low Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager SSR
Headset size	1 1/8 (inches) Threadless Semi Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth SRAM S800 3.0
Gear shift levers	SRAM X.5
Rear gear set	11 - 34 Teeth 9-speed

Trek Fuel EX 5 Fork System Data

Derailleur (Front)	SRAM X.5
Derailleur (Rear)	SRAM X.5
Fork material	Single Crown Alloy
Fork type	120 (millimeters) Travel RockShox Recon Silver TK

Other Specs of Trek Fuel EX 5

Component group sets	SRAM X.5 Mix
Pedals details	Wellgo Alloy Platform
Rear shock absorber	120 (millimeters) Travel Fox Float RP-2
Saddle seat	Bontrager Evoke 1
Seat post extension	31.6 (millimeters) Diameter Bontrager