ProFlex 757 1997 VS K2 900 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 900

General Infos

Model	900
Manufacturer	K2
Year of production	1999
Current price	Check price Here ==>
Color choice	- Race Red -Gloss Grey
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Geax Sedona 200
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Rear: Shimano Alivio Front: Alloy O and S
Rims manufacturer	32-hole Weinmann Zac 19
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Marwi Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	K2 Riser
Handlebar extender	TIG Alloy
Handlebar stem details	K2 TIG Alloy
Headset size	1 1/8 (inches) Threadless VP Sealed Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC IG-31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano
Crankset parts and sizes	22/32/42 Teeth Shimano STX-RC
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 32 Teeth 8-speed

K2 900 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano STX-RC
Derailleur (Rear)	Shimano Deore LX
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	3.5 (inches) Travel RST Zeta EL

Other Specs of K2 900

Component group sets	Mountain Mix
Pedals details	K2 Clipless
Rear shock absorber	4.7 (inches) Travel Noleen NR-1
Saddle seat	SDG Belair B17
Seat post extension	27.2 (millimeters) Diameter K2 Alloy