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RK 420 MXU 136L MX U Ring Chain Gold
RK 420 MXU 136L MX U Ring Chain Gold

RK 420MXU x 136L MX U Ring Chain Gold

SEALED 'UW' RING CHAIN

  • RK MX U-ring racing chain features RK's new ultra slim UW-rings and is designed to deliver consistent power delivery as well as increased chain life.
  • It is also one of the lightest sealed ring motocross race chains available on the market, and all components are heat treated using RK's exclusive HIT (Heat Induction Transfer) process.

      1985 Honda CR80R
      1985 Honda XR80R
      1986 Honda XR80R
      1987 Honda XR80R
      1988 Honda XR80R
      1989 Honda XR80R
      1989 Kawasaki KX80
      1990 Honda XR80R
      1990 Kawasaki KX80
      1991 Honda XR80R
      1991 Kawasaki KX80
      1992 Honda XR80R
      1992 Kawasaki KX80
      1993 Honda XR80R
      1993 Kawasaki KX80
      1994 Honda XR80R
      1994 Kawasaki KX80
      1995 Honda XR80R
      1995 Kawasaki KX80
      1996 Honda XR80R
      1996 Kawasaki KX80
      1997 Honda XR80R
      1997 Kawasaki KX80
      1998 Honda XR70R
      1998 Honda XR80R
      1998 Kawasaki KX80
      1999 Honda XR70R
      1999 Honda XR80R
      1999 Kawasaki KX80
      2000 Honda XR50R
      2000 Honda XR70R
      2000 Honda XR80R
      2000 Kawasaki KX65
      2000 Kawasaki KX80
      2001 Honda XR50R
      2001 Honda XR70R
      2001 Honda XR80R
      2001 Kawasaki KX65
      2001 Kawasaki KX85 Big Wheel
      2001 Kawasaki KX85 Small Wheel
      2002 Honda XR50R
      2002 Honda XR70R
      2002 Honda XR80R
      2002 Kawasaki KLX110
      2002 Kawasaki KX65
      2002 Kawasaki KX85 Big Wheel
      2002 Kawasaki KX85 Small Wheel
      2003 Honda XR50R
      2003 Honda XR70R
      2003 Honda XR80R
      2003 Kawasaki KDX50
      2003 Kawasaki KLX110
      2003 Kawasaki KX65
      2003 Kawasaki KX85 Big Wheel
      2003 Kawasaki KX85 Small Wheel
      2003 Suzuki RM100
      2003 Suzuki RM65
      2004 Honda CRF50F
      2004 Honda CRF70F
      2004 Honda CRF80F
      2004 Kawasaki KDX50
      2004 Kawasaki KLX110
      2004 Kawasaki KX65
      2004 Kawasaki KX85 Big Wheel
      2004 Kawasaki KX85 Small Wheel
      2004 Suzuki RM100
      2004 Suzuki RM65
      2005 Honda CRF50F
      2005 Honda CRF70F
      2005 Honda CRF80F
      2005 Kawasaki KDX50
      2005 Kawasaki KLX110
      2005 Kawasaki KX65
      2005 Kawasaki KX85 Big Wheel
      2005 Kawasaki KX85 Small Wheel
      2005 Suzuki RM65
      2006 Honda CRF50F
      2006 Honda CRF70F
      2006 Honda CRF80F
      2006 Kawasaki KDX50
      2006 Kawasaki KLX110
      2006 Kawasaki KX65
      2006 Kawasaki KX85 Big Wheel
      2006 Kawasaki KX85 Small Wheel
      2007 Honda CRF50F
      2007 Honda CRF70F
      2007 Honda CRF80F
      2007 Kawasaki KLX110
      2007 Kawasaki KX65
      2007 Kawasaki KX85 Big Wheel
      2007 Kawasaki KX85 Small Wheel
      2008 Honda CRF50F
      2008 Honda CRF70F
      2008 Honda CRF80F
      2008 Kawasaki KLX110
      2008 Kawasaki KX65
      2008 Kawasaki KX85 Big Wheel
      2008 Kawasaki KX85 Small Wheel
      2009 Honda CRF50F
      2009 Honda CRF70F
      2009 Honda CRF80F
      2009 Kawasaki KLX110
      2009 Kawasaki KX65
      2009 Kawasaki KX85 Big Wheel
      2009 Kawasaki KX85 Small Wheel
      2010 Honda CRF50F
      2010 Honda CRF70F
      2010 Honda CRF80F
      2010 Kawasaki KLX110
      2010 Kawasaki KLX110L
      2010 Kawasaki KX65
      2010 Kawasaki KX85 Big Wheel
      2010 Kawasaki KX85 Small Wheel
      2011 Honda CRF50F
      2011 Honda CRF70F
      2011 Honda CRF80F
      2011 Kawasaki KLX110
      2011 Kawasaki KLX110L
      2011 Kawasaki KX65
      2011 Kawasaki KX85 Big Wheel
      2011 Kawasaki KX85 Small Wheel
      2012 Honda CRF50F
      2012 Honda CRF70F
      2012 Honda CRF80F
      2012 Kawasaki KLX110
      2012 Kawasaki KLX110L
      2012 Kawasaki KX65
      2012 Kawasaki KX85 Big Wheel
      2012 Kawasaki KX85 Small Wheel
      2013 Honda CRF110F
      2013 Honda CRF50F
      2013 Honda CRF80F
      2013 Kawasaki KLX110
      2013 Kawasaki KLX110L
      2013 Kawasaki KX65
      2013 Kawasaki KX85 Big Wheel
      2013 Kawasaki KX85 Small Wheel
      2014 Honda CRF50F
      2014 Honda CRF80F
      2014 Kawasaki KLX110
      2014 Kawasaki KLX110L
      2014 Kawasaki KX65
      2014 Kawasaki KX85 Big Wheel
      2014 Kawasaki KX85 Small Wheel
      2015 Honda CRF50F
      2015 Kawasaki KLX110
      2015 Kawasaki KLX110L
      2015 Kawasaki KX65
      2015 Kawasaki KX85 Big Wheel
      2015 Kawasaki KX85 Small Wheel
      2016 Honda CRF50F
      2016 Honda MSX125 Grom
      2016 Kawasaki KLX110
      2016 Kawasaki KLX110L
      2016 Kawasaki KX65
      2016 Kawasaki KX85 Big Wheel
      2016 Kawasaki KX85 Small Wheel
      2017 Honda CRF50F
      2017 Honda MSX125 Grom
      2017 Kawasaki KLX110
      2017 Kawasaki KLX110L
      2017 Kawasaki KX65
      2017 Kawasaki KX85 Big Wheel
      2017 Kawasaki KX85 Small Wheel
      2018 Honda CRF50F
      2018 Honda MSX125 Grom
      2018 Kawasaki KLX110
      2018 Kawasaki KLX110L
      2018 Kawasaki KX65
      2018 Kawasaki KX85 Big Wheel
      2018 Kawasaki KX85 Small Wheel
      2018 Yamaha YZ65
      2019 Honda CRF50F
      2019 Honda MSX125 Grom
      2019 Kawasaki KLX110
      2019 Kawasaki KLX110L
      2019 Kawasaki KX65
      2019 Kawasaki KX85 Big Wheel
      2019 Kawasaki KX85 Small Wheel
      2019 Yamaha YZ65
      2020 Honda CRF50F
      2020 Honda MSX125 Grom
      2020 Kawasaki KLX110
      2020 Kawasaki KLX110L
      2020 Kawasaki KX65
      2020 Kawasaki KX85 Big Wheel
      2020 Kawasaki KX85 Small Wheel
      2020 Yamaha YZ65
      2021 Honda CRF50F
      2021 Kawasaki KX65
      2021 Kawasaki KX85 Big Wheel
      2021 Kawasaki KX85 Small Wheel
      2021 Yamaha YZ65
      2022 Honda CRF50F
      2022 Kawasaki KLX110R
      2022 Kawasaki KLX110RL
      2022 Kawasaki KX65
      2022 Kawasaki KX85 Big Wheel
      2022 Kawasaki KX85 Small Wheel
      2022 Yamaha YZ65
      2023 Honda CRF50F
      2023 Kawasaki KLX110R
      2023 Kawasaki KLX110RL
      2023 Kawasaki KX65
      2023 Kawasaki KX85 Big Wheel
      2023 Kawasaki KX85 Small Wheel
      2023 Yamaha YZ65
      2024 Kawasaki KX112
      2024 Kawasaki KX65
      2024 Kawasaki KX85 Big Wheel
      2024 Kawasaki KX85 Small Wheel
      2024 Yamaha YZ65

      RK 420 MXU 136L MX U Ring Chain Gold

      by RK Chain
      SKU: 12-429-136GD
      $98.99
      No Reviews

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      RK 420MXU x 136L MX U Ring Chain Gold

      SEALED 'UW' RING CHAIN

      • RK MX U-ring racing chain features RK's new ultra slim UW-rings and is designed to deliver consistent power delivery as well as increased chain life.
      • It is also one of the lightest sealed ring motocross race chains available on the market, and all components are heat treated using RK's exclusive HIT (Heat Induction Transfer) process.

          1985 Honda CR80R
          1985 Honda XR80R
          1986 Honda XR80R
          1987 Honda XR80R
          1988 Honda XR80R
          1989 Honda XR80R
          1989 Kawasaki KX80
          1990 Honda XR80R
          1990 Kawasaki KX80
          1991 Honda XR80R
          1991 Kawasaki KX80
          1992 Honda XR80R
          1992 Kawasaki KX80
          1993 Honda XR80R
          1993 Kawasaki KX80
          1994 Honda XR80R
          1994 Kawasaki KX80
          1995 Honda XR80R
          1995 Kawasaki KX80
          1996 Honda XR80R
          1996 Kawasaki KX80
          1997 Honda XR80R
          1997 Kawasaki KX80
          1998 Honda XR70R
          1998 Honda XR80R
          1998 Kawasaki KX80
          1999 Honda XR70R
          1999 Honda XR80R
          1999 Kawasaki KX80
          2000 Honda XR50R
          2000 Honda XR70R
          2000 Honda XR80R
          2000 Kawasaki KX65
          2000 Kawasaki KX80
          2001 Honda XR50R
          2001 Honda XR70R
          2001 Honda XR80R
          2001 Kawasaki KX65
          2001 Kawasaki KX85 Big Wheel
          2001 Kawasaki KX85 Small Wheel
          2002 Honda XR50R
          2002 Honda XR70R
          2002 Honda XR80R
          2002 Kawasaki KLX110
          2002 Kawasaki KX65
          2002 Kawasaki KX85 Big Wheel
          2002 Kawasaki KX85 Small Wheel
          2003 Honda XR50R
          2003 Honda XR70R
          2003 Honda XR80R
          2003 Kawasaki KDX50
          2003 Kawasaki KLX110
          2003 Kawasaki KX65
          2003 Kawasaki KX85 Big Wheel
          2003 Kawasaki KX85 Small Wheel
          2003 Suzuki RM100
          2003 Suzuki RM65
          2004 Honda CRF50F
          2004 Honda CRF70F
          2004 Honda CRF80F
          2004 Kawasaki KDX50
          2004 Kawasaki KLX110
          2004 Kawasaki KX65
          2004 Kawasaki KX85 Big Wheel
          2004 Kawasaki KX85 Small Wheel
          2004 Suzuki RM100
          2004 Suzuki RM65
          2005 Honda CRF50F
          2005 Honda CRF70F
          2005 Honda CRF80F
          2005 Kawasaki KDX50
          2005 Kawasaki KLX110
          2005 Kawasaki KX65
          2005 Kawasaki KX85 Big Wheel
          2005 Kawasaki KX85 Small Wheel
          2005 Suzuki RM65
          2006 Honda CRF50F
          2006 Honda CRF70F
          2006 Honda CRF80F
          2006 Kawasaki KDX50
          2006 Kawasaki KLX110
          2006 Kawasaki KX65
          2006 Kawasaki KX85 Big Wheel
          2006 Kawasaki KX85 Small Wheel
          2007 Honda CRF50F
          2007 Honda CRF70F
          2007 Honda CRF80F
          2007 Kawasaki KLX110
          2007 Kawasaki KX65
          2007 Kawasaki KX85 Big Wheel
          2007 Kawasaki KX85 Small Wheel
          2008 Honda CRF50F
          2008 Honda CRF70F
          2008 Honda CRF80F
          2008 Kawasaki KLX110
          2008 Kawasaki KX65
          2008 Kawasaki KX85 Big Wheel
          2008 Kawasaki KX85 Small Wheel
          2009 Honda CRF50F
          2009 Honda CRF70F
          2009 Honda CRF80F
          2009 Kawasaki KLX110
          2009 Kawasaki KX65
          2009 Kawasaki KX85 Big Wheel
          2009 Kawasaki KX85 Small Wheel
          2010 Honda CRF50F
          2010 Honda CRF70F
          2010 Honda CRF80F
          2010 Kawasaki KLX110
          2010 Kawasaki KLX110L
          2010 Kawasaki KX65
          2010 Kawasaki KX85 Big Wheel
          2010 Kawasaki KX85 Small Wheel
          2011 Honda CRF50F
          2011 Honda CRF70F
          2011 Honda CRF80F
          2011 Kawasaki KLX110
          2011 Kawasaki KLX110L
          2011 Kawasaki KX65
          2011 Kawasaki KX85 Big Wheel
          2011 Kawasaki KX85 Small Wheel
          2012 Honda CRF50F
          2012 Honda CRF70F
          2012 Honda CRF80F
          2012 Kawasaki KLX110
          2012 Kawasaki KLX110L
          2012 Kawasaki KX65
          2012 Kawasaki KX85 Big Wheel
          2012 Kawasaki KX85 Small Wheel
          2013 Honda CRF110F
          2013 Honda CRF50F
          2013 Honda CRF80F
          2013 Kawasaki KLX110
          2013 Kawasaki KLX110L
          2013 Kawasaki KX65
          2013 Kawasaki KX85 Big Wheel
          2013 Kawasaki KX85 Small Wheel
          2014 Honda CRF50F
          2014 Honda CRF80F
          2014 Kawasaki KLX110
          2014 Kawasaki KLX110L
          2014 Kawasaki KX65
          2014 Kawasaki KX85 Big Wheel
          2014 Kawasaki KX85 Small Wheel
          2015 Honda CRF50F
          2015 Kawasaki KLX110
          2015 Kawasaki KLX110L
          2015 Kawasaki KX65
          2015 Kawasaki KX85 Big Wheel
          2015 Kawasaki KX85 Small Wheel
          2016 Honda CRF50F
          2016 Honda MSX125 Grom
          2016 Kawasaki KLX110
          2016 Kawasaki KLX110L
          2016 Kawasaki KX65
          2016 Kawasaki KX85 Big Wheel
          2016 Kawasaki KX85 Small Wheel
          2017 Honda CRF50F
          2017 Honda MSX125 Grom
          2017 Kawasaki KLX110
          2017 Kawasaki KLX110L
          2017 Kawasaki KX65
          2017 Kawasaki KX85 Big Wheel
          2017 Kawasaki KX85 Small Wheel
          2018 Honda CRF50F
          2018 Honda MSX125 Grom
          2018 Kawasaki KLX110
          2018 Kawasaki KLX110L
          2018 Kawasaki KX65
          2018 Kawasaki KX85 Big Wheel
          2018 Kawasaki KX85 Small Wheel
          2018 Yamaha YZ65
          2019 Honda CRF50F
          2019 Honda MSX125 Grom
          2019 Kawasaki KLX110
          2019 Kawasaki KLX110L
          2019 Kawasaki KX65
          2019 Kawasaki KX85 Big Wheel
          2019 Kawasaki KX85 Small Wheel
          2019 Yamaha YZ65
          2020 Honda CRF50F
          2020 Honda MSX125 Grom
          2020 Kawasaki KLX110
          2020 Kawasaki KLX110L
          2020 Kawasaki KX65
          2020 Kawasaki KX85 Big Wheel
          2020 Kawasaki KX85 Small Wheel
          2020 Yamaha YZ65
          2021 Honda CRF50F
          2021 Kawasaki KX65
          2021 Kawasaki KX85 Big Wheel
          2021 Kawasaki KX85 Small Wheel
          2021 Yamaha YZ65
          2022 Honda CRF50F
          2022 Kawasaki KLX110R
          2022 Kawasaki KLX110RL
          2022 Kawasaki KX65
          2022 Kawasaki KX85 Big Wheel
          2022 Kawasaki KX85 Small Wheel
          2022 Yamaha YZ65
          2023 Honda CRF50F
          2023 Kawasaki KLX110R
          2023 Kawasaki KLX110RL
          2023 Kawasaki KX65
          2023 Kawasaki KX85 Big Wheel
          2023 Kawasaki KX85 Small Wheel
          2023 Yamaha YZ65
          2024 Kawasaki KX112
          2024 Kawasaki KX65
          2024 Kawasaki KX85 Big Wheel
          2024 Kawasaki KX85 Small Wheel
          2024 Yamaha YZ65
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