ProFlex 757 1997 VS K2 4000 1999 specs comparison

ProFlex 757

General Infos

Model	757
Manufacturer	ProFlex
Year of production	1997
Current price	Check price Here ==>
Color choice	- yellow and blue -White and red
Sizes	- Small - Medium - Large - Extra large
Sizes	- Small - Medium - Large - Extra large

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 LX Levers Shimano Deore LX V-Brake Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram Elite Double-butted
Frame type	TIG-welded
Handlebar construction	Titec Enduro
Handlebar extender	Girvin Team Issue
Handlebar stem details	Girvin Reversible Forged
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset AL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

ProFlex 757 Fork System Data

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

Other Specs of ProFlex 757

Component group sets	Shimano Deore LX
Pedals details	Proflex Mag-C
Rear shock absorber	4.0 (inches) Travel Noleen NR-1
Saddle seat	Selle San Marco Tecno Dynamica
Seat post extension	27.2 (millimeters) Diameter Polygon PM-312

K2 4000

General Infos

Model	4000
Manufacturer	K2
Year of production	1999
Current price	Check price Here ==>
Color choice	- Team White and Red Fade -Gloss Grey
Sizes	- Large - medium

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Panaracer Mach SK Front: 26 X 1.95 (inches) Panaracer Mach SS
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Avid SD-25 Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 4
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Easton 7005 Elite
Frame type	TIG-welded
Handlebar construction	Easton EA-70
Handlebar extender	Titec Shorty
Handlebar stem details	Titec Big AL
Headset size	1 1/8 (inches) Threadless Tange-Seiki DX-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano Deore XT
Crankset parts and sizes	22/32/44 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

K2 4000 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT
Fork material	Linkage Crown Aluminum
Fork type	3.0 (inches) Travel Noleen Cross-Link Elite S With Smart Shock

Other Specs of K2 4000

Component group sets	Shimano Deore XT
Pedals details	K2 Mag-C Clipless
Rear shock absorber	4.7 (inches) Travel Noleen NR-2
Saddle seat	Selle Italia Nitrox PD
Seat post extension	27.2 (millimeters) Diameter Easton EA-70