K2 PROFLEX 4000 1998 VS Crosstrac SONOMA 1995 specs comparison

K2 ProFlex 4000

General Infos

Model	ProFlex 4000
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- red -Blue
Sizes	- Large - medium - small - way big
Sizes	- Large - medium - small - way big

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 XT Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 342
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec Enduro 141
Handlebar extender	Aluminum
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Aheadset

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-UN72
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex 4000 Fork System Data

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

Other Specs of K2 ProFlex 4000

Component group sets	Shimano Deore XT
Pedals details	K2 Mag C
Rear shock absorber	4.0 (inches) Travel K2 Smart Shock
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Titec PG

Crosstrac Sonoma

General Infos

Model	Sonoma
Manufacturer	Crosstrac
Year of production	1995
Current price	Check price Here ==>
Color choice	- dark blue - green - light blue - orange - purple - red - teal - white - yellow -Black
Sizes	- Xlarge - xsmall - large - medium - small

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Ritchey Omega Bite WCS Front: 26 X 2.10 (inches) Ritchey Alpha Bite WCS
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Ritchey WCS Logic Levers Ritchey Logic Brakes
Hubs for disc brakes	Shimano Deore XT
Rims manufacturer	32-hole Rear: Ritchey Rock 415 Front: Ritchey Rock 395
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Double Butted Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Heat-treated 6061 T6 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Ritchey WCS Prolite
Handlebar extender	Ritchey Logic WCS
Handlebar stem details	Control Tech AheadSet
Headset size	1 1/4 (inches) Dia-Compe Kontak Aheadset ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M55
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/36/47 Teeth Kooka
Gear shift levers	Grip Shift SRT-600
Rear gear set	12 - 28 Teeth 7-speed

Crosstrac Sonoma Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Bonded Triple-clamp Crown Aluminum
Fork type	Crosstrac Sonoma

Other Specs of Crosstrac Sonoma

Component group sets	Not Available
Pedals details	Ritchey Logic Titanium
Rear shock absorber	Not Available
Saddle seat	SDG 2000 Kevlar and Titanium Rails
Seat post extension	38.1 (millimeters) Diameter Crosstrac