Magura HC3 Radial Master Cylinder Gold, D12, Right Hand, DOT K Type Helix Bushings EXC Racing 2000 2005 400 FC MX26 EXC Racing 2000 2005 400 FC 4 Speed 2000 2001 400 FC 6 Speed 2000 2001 400 FE e 2000 2003 400 LC4 enduro 1993 1996 400 LSE & LC4 enduro 1997 2001 400 SX 1999 2002 440 SX 1994 1994 450 EXC R 2016 2016 450 EXC Racing 2003 2011 450 EXC Racing & 450 XC G Racing 2007 2012 450 EXC F 2017 2022 450 EXC F 2013 2015 450 EXC F 2016 2016 450 EXC F Factory Edition 2010 2011 450 EXC F Ready to use The rear piston seal has been specially designed to prevent the introduction of air through secondary seal ingress This mimics the effect of using a piston size 1 mm below and above the selected hydraulic ratio