Bitubo MXFORK K=0.46 Fork Spring Kit for 2002-2013 Kawasaki & Yamaha Models - MFX0420

The Bitubo MXFORK Fork Spring Kit, part number MFX0420, is a front-suspension service and upgrade option for 2002-2013 Kawasaki & Yamaha Models. This kit uses K=0.46 spring rate. It is aimed at riders refreshing the fork or changing the spring setup without replacing the complete front end, keeping the work centered on the spring and cap components specified for the application.

Key Features & Specs:

• Series: MXFORK Series
• Product Type: Fork Spring Kit
• Spring Rate: K=0.46
• Bitubo Configuration: Fork springs kit linear K= 0.46
• Weight: 4.41 lb
• Box Dimensions: 85 x 19 x 12 cm
• UPC: 8033914179601
• Part Number: MFX0420

Fitment:

Kawasaki:

• KXF 450 KX450-E9FA 2009 450cc
• KX125 KX125-L4/M1/M2 2002-2004 125cc
• KX450F KX450 D7F/D8F 2007-2008 450cc
• KX250 L4 - 2002 250cc
• KXF450 450EBF/450FCF 2011-2012 450cc
• KX250 R1/R6F/R8F 2005-2008 250cc
• KXF450 KX450F-EAF 2010 450cc

Yamaha:

• YZ 250 LC CG20C 2005 250cc
• YZ F 450 CJ15C 2010-2013 450cc

About Bitubo MXFORK Series:

The MXFORK line is Bitubo’s off-road fork spring program, offering application-specific spring rates for motocross and enduro setups. It keeps the upgrade simple and mechanical: match the fork spring rate to the bike and rider before chasing more complicated changes.

About Bitubo Suspension:

Founded in 1963, Bitubo develops motorcycle suspension and damping systems for street, racing, V-twin, scooter, Vespa, and off-road applications. Bitubo continues to design, engineer, develop, and manufacture its suspension products in Italy, drawing on decades of R&D and competition experience. For Elite Race Fab customers, it is the kind of hardware we like to see: purpose-built components, useful adjustment where the application calls for it, and a clear focus on getting the chassis working the way it should.