Trek 3900 DISC 2009 VS K2 RAZORBACK 1999 specs comparison

Trek 3900 Disc

General Infos

Model	3900 Disc
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Matte Khaki
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 EZ Fire Integrated Levers ProMax Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano M-475 Disc Front: Alloy
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha White Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Approved
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless VP A76C-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/34/42 Teeth SR Suntour XCC T102
Gear shift levers	Shimano EF-50 EZ Fire Integrated
Rear gear set	11 - 32 Teeth 8-speed

Trek 3900 Disc Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Acera
Fork material	Single Crown
Fork type	80 (millimeters) Travel SR Suntour XCT V2

Other Specs of Trek 3900 Disc

Component group sets	Shimano Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Approved
Seat post extension	Bontrager SSR

K2 Razorback

General Infos

Model	Razorback
Manufacturer	K2
Year of production	1999
Current price	Check price Here ==>
Color choice	-Team White and Red Fade
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.95 (inches) Panaracer Mach SK Kevlar Front: 26 X 1.95 (inches) Panaracer Mach SS Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 L Levers Avid Arch Rival 40 Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 4
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Easton Custom 7005 Double-Butted
Frame type	TIG-welded
Handlebar construction	Titec Enduro EF
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	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano Deore LX
Crankset parts and sizes	22/32/44 Teeth Race Face Turbine LP
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

K2 Razorback 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	3.0 (inches) Travel Noleen Cross-Link Elite With Noleen NR

Other Specs of K2 Razorback

Component group sets	Mountain Mix
Pedals details	K2 Clipless
Rear shock absorber	Not Available
Saddle seat	Selle Italia Trimatica
Seat post extension	27.2 (millimeters) Diameter K2 Micro-adjust