Bicycle Archive · Specification report

2001 K2 Razorback 4.0

Velopedia Archive ID 35339

Overview

Model year	2001
Brand	K2
Model	Razorback 4.0
Bicycle type	Mountain bike, front & rear suspension
Archive ID	35339
Original MSRP	$1,899.00
Colors	White and Blue two-toned
Sizes	Large, medium, small, way big
Weight	26.4 lb

Frameset

Frame construction	TIG-welded
Frame material	Easton Ultralite
Fork	Noleen Mega Air, 3.15" travel
Fork material	Triple-clamp
Rear shock	Noleen Mega Air Pull-Shock, 3.0" travel

Drivetrain

Component group	Mountain Mix
Shifters	Shimano Deore LX RapidFire SL
Front derailleur	Shimano Deore LX
Rear derailleur	Shimano XT
Crankset	TruVativ Stylo A3
Bottom bracket	TruVativ Sealex splined
Rear cogs	9-speed, 11 - 32 teeth
Chain	KMC Z9000, 1/2 x 3/32"
Pedals	Wellgo M9 clipless

Brakes

Brakes	Avid Single Digit 7 brakes, Avid Speed Dial 5 levers

Cockpit & contact points

Headset	WTB Momentum Comp ST
Handlebar	Titec Enduro XC
Handlebar extensions	Not included
Stem	Titec Big AL
Saddle	WTB TriLite cromoly
Seatpost	Titec X-Wing Lite

Wheels & tires

Hubs	WTB SpeedDisc XC
Rims	WTB SpeedMaster, 32-hole
Spokes	WTB stainless steel, 15/15g
Front tire	Front: 26 x 2.10" WTB NanoRaptor DNA, Rear: 26 x 2.00" WTB NanoRaptor DNA
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	569 mm
Head-tube angle	71°
Seat-tube angle	73°
Chainstay / rear center	424.2 mm
Wheelbase	1056.6 mm
Fork offset / rake	41.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.