{"product_id":"renthal-ren154u-520-52grbk-descriptions","title":"Renthal ren154U-520-52GRBK - Descriptions","description":"Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.  A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all aluminum rear sprockets can be found on the rear wheels of many factory race team machines.\n\u003cp\u003e\u003cstrong\u003eBrief Description:\u003c\/strong\u003e The Renthal UltraLight Rear Chainwheel is a lightweight powersports sprocket CNC machined from 7075 T6 aluminum. Its engineered tooth profile is designed to support precise fitment, concentricity, load dispersion and power transfer, while a hardwearing surface treatment helps support durability in demanding riding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Performance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined 7075 T6 aluminum:\u003c\/strong\u003e Provides a high-strength base material with reduced weight compared with steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltraLight construction:\u003c\/strong\u003e The chainwheel is stated to be 66% lighter than steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered tooth profiling:\u003c\/strong\u003e Supports maximum power transfer through the drivetrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision manufacturing:\u003c\/strong\u003e Computer engineering and testing help provide precise fitment, concentricity and load dispersion.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Renthal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ren154U-520-52GRBK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e UltraLight rear chainwheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075 T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Grooved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 52\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included in the Box:\u003c\/strong\u003e One Renthal UltraLight rear chainwheel.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Listed fitment includes 1984 and 1985 Honda CR250R models, plus 1996 through 2003 Honda XR250R models.\u003c\/p\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1984 Honda CR250R Base\u003cbr\u003e\n1985 Honda CR250R Base\u003cbr\u003e\n1986 Honda CR250R Base\u003cbr\u003e\n1987 Honda CR125R Base\u003cbr\u003e\n1987 Honda CR250R Base\u003cbr\u003e\n1988 Honda CR125R Base\u003cbr\u003e\n1988 Honda CR250R Base\u003cbr\u003e\n1988 Honda CR500R Base\u003cbr\u003e\n1989 Honda CR125R Base\u003cbr\u003e\n1989 Honda CR250R Base\u003cbr\u003e\n1989 Honda CR500R Base\u003cbr\u003e\n1990 Honda CR125R Base\u003cbr\u003e\n1990 Honda CR250R Base\u003cbr\u003e\n1990 Honda CR500R Base\u003cbr\u003e\n1991 Honda CR125R Base\u003cbr\u003e\n1991 Honda CR250R Base\u003cbr\u003e\n1991 Honda CR500R Base\u003cbr\u003e\n1992 Honda CR125R Base\u003cbr\u003e\n1992 Honda CR250R Base\u003cbr\u003e\n1992 Honda CR500R Base\u003cbr\u003e\n1993 Honda CR125R Base\u003cbr\u003e\n1993 Honda CR250R Base\u003cbr\u003e\n1993 Honda CR500R Base\u003cbr\u003e\n1994 Honda CR125R Base\u003cbr\u003e\n1994 Honda CR250R Base\u003cbr\u003e\n1994 Honda CR500R Base\u003cbr\u003e\n1995 Honda CR125R Base\u003cbr\u003e\n1995 Honda CR250R Base\u003cbr\u003e\n1995 Honda CR500R Base\u003cbr\u003e\n1996 Honda CR125R Base\u003cbr\u003e\n1996 Honda CR250R Base\u003cbr\u003e\n1996 Honda CR500R Base\u003cbr\u003e\n1996 Honda XR250R Base\u003cbr\u003e\n1996 Honda XR400R Base\u003cbr\u003e\n1997 Honda CR125R Base\u003cbr\u003e\n1997 Honda CR250R Base\u003cbr\u003e\n1997 Honda CR500R Base\u003cbr\u003e\n1997 Honda XR250R Base\u003cbr\u003e\n1997 Honda XR400R Base\u003cbr\u003e\n1998 Honda CR125R Base\u003cbr\u003e\n1998 Honda CR250R Base\u003cbr\u003e\n1998 Honda CR500R Base\u003cbr\u003e\n1998 Honda XR250R Base\u003cbr\u003e\n1998 Honda XR400R Base\u003cbr\u003e\n1999 Honda CR125R Base\u003cbr\u003e\n1999 Honda CR250R Base\u003cbr\u003e\n1999 Honda CR500R Base\u003cbr\u003e\n1999 Honda XR250R Base\u003cbr\u003e\n1999 Honda XR400R Base\u003cbr\u003e\n2000 Honda CR125R Base\u003cbr\u003e\n2000 Honda CR250R Base\u003cbr\u003e\n2000 Honda CR500R Base\u003cbr\u003e\n2000 Honda XR250R Base\u003cbr\u003e\n2000 Honda XR400R Base\u003cbr\u003e\n2000 Honda XR650R Base\u003cbr\u003e\n2001 Honda CR125R Base\u003cbr\u003e\n2001 Honda CR250R Base\u003cbr\u003e\n2001 Honda CR500R Base\u003cbr\u003e\n2001 Honda XR250R Base\u003cbr\u003e\n2001 Honda XR400R Base\u003cbr\u003e\n2001 Honda XR650R Base\u003cbr\u003e\n2002 Honda CR125R Base\u003cbr\u003e\n2002 Honda CR250R Base\u003cbr\u003e\n2002 Honda CRF450R Base\u003cbr\u003e\n2002 Honda XR250R Base\u003cbr\u003e\n2002 Honda XR400R Base\u003cbr\u003e\n2002 Honda XR650R Base\u003cbr\u003e\n2003 Honda CR125R Base\u003cbr\u003e\n2003 Honda CR250R Base\u003cbr\u003e\n2003 Honda CRF450R Base\u003cbr\u003e\n2003 Honda XR250R Base\u003cbr\u003e\n2003 Honda XR400R Base\u003cbr\u003e\n2003 Honda XR650R Base\u003cbr\u003e\n2004 Honda CR125R Base\u003cbr\u003e\n2004 Honda CR250R Base\u003cbr\u003e\n2004 Honda CRF250R Base\u003cbr\u003e\n2004 Honda CRF250X Base\u003cbr\u003e\n2004 Honda CRF450R Base\u003cbr\u003e\n2004 Honda XR250R Base\u003cbr\u003e\n2004 Honda XR400R Base\u003cbr\u003e\n2004 Honda XR650R Base\u003cbr\u003e\n2005 Honda CR125R Base\u003cbr\u003e\n2005 Honda CR250R Base\u003cbr\u003e\n2005 Honda CRF150F Base\u003cbr\u003e\n2005 Honda CRF230F Base\u003cbr\u003e\n2005 Honda CRF250R Base\u003cbr\u003e\n2005 Honda CRF250X Base\u003cbr\u003e\n2005 Honda CRF450R Base\u003cbr\u003e\n2005 Honda CRF450X Base\u003cbr\u003e\n2005 Honda XR650R Base\u003cbr\u003e\n2006 Honda CR125R Base\u003cbr\u003e\n2006 Honda CR250R Base\u003cbr\u003e\n2006 Honda CRF150F Base\u003cbr\u003e\n2006 Honda CRF230F Base\u003cbr\u003e\n2006 Honda CRF250R Base\u003cbr\u003e\n2006 Honda CRF250X Base\u003cbr\u003e\n2006 Honda CRF450R Base\u003cbr\u003e\n2006 Honda CRF450X Base\u003cbr\u003e\n2006 Honda XR650R Base\u003cbr\u003e\n2007 Honda CR125R Base\u003cbr\u003e\n2007 Honda CR250R Base\u003cbr\u003e\n2007 Honda CRF150F Base\u003cbr\u003e\n2007 Honda CRF230F Base\u003cbr\u003e\n2007 Honda CRF250R Base\u003cbr\u003e\n2007 Honda CRF250X Base\u003cbr\u003e\n2007 Honda CRF450R Base\u003cbr\u003e\n2007 Honda CRF450X Base\u003cbr\u003e\n2007 Honda XR650R Base\u003cbr\u003e\n2008 Honda CRF150F Base\u003cbr\u003e\n2008 Honda CRF230F Base\u003cbr\u003e\n2008 Honda CRF250R Base\u003cbr\u003e\n2008 Honda CRF250X Base\u003cbr\u003e\n2008 Honda CRF450R Base\u003cbr\u003e\n2008 Honda CRF450X Base\u003cbr\u003e\n2009 Honda CRF150F Base\u003cbr\u003e\n2009 Honda CRF230F Base\u003cbr\u003e\n2009 Honda CRF250R Base\u003cbr\u003e\n2009 Honda CRF250X Base\u003cbr\u003e\n2009 Honda CRF450R Base\u003cbr\u003e\n2009 Honda CRF450X Base\u003cbr\u003e\n2010 Honda CRF250R Base\u003cbr\u003e\n2010 Honda CRF450R Base\u003cbr\u003e\n2011 Honda CRF250R Base\u003cbr\u003e\n2011 Honda CRF450R Base\u003cbr\u003e\n2012 Honda CRF150F Base\u003cbr\u003e\n2012 Honda CRF230F Base\u003cbr\u003e\n2012 Honda CRF250R Base\u003cbr\u003e\n2012 Honda CRF250X Base\u003cbr\u003e\n2012 Honda CRF450R Base\u003cbr\u003e\n2012 Honda CRF450X Base\u003cbr\u003e\n2013 Honda CRF150F Base\u003cbr\u003e\n2013 Honda CRF230F Base\u003cbr\u003e\n2013 Honda CRF250R Base\u003cbr\u003e\n2013 Honda CRF250X Base\u003cbr\u003e\n2013 Honda CRF450R Base\u003cbr\u003e\n2013 Honda CRF450X Base\u003cbr\u003e\n2014 Honda CRF150F Base\u003cbr\u003e\n2014 Honda CRF230F Base\u003cbr\u003e\n2014 Honda CRF250R Base\u003cbr\u003e\n2014 Honda CRF250X Base\u003cbr\u003e\n2014 Honda CRF450R Base\u003cbr\u003e\n2014 Honda CRF450X Base\u003cbr\u003e\n2015 Honda CRF150F Base\u003cbr\u003e\n2015 Honda CRF230F Base\u003cbr\u003e\n2015 Honda CRF250R Base\u003cbr\u003e\n2015 Honda CRF250X Base\u003cbr\u003e\n2015 Honda CRF450R Base\u003cbr\u003e\n2015 Honda CRF450X Base\u003cbr\u003e\n2016 Honda CRF150F Base\u003cbr\u003e\n2016 Honda CRF230F Base\u003cbr\u003e\n2016 Honda CRF250R Base\u003cbr\u003e\n2016 Honda CRF250X Base\u003cbr\u003e\n2016 Honda CRF450R Base\u003cbr\u003e\n2016 Honda CRF450X Base\u003cbr\u003e\n2017 Honda CRF150F Base\u003cbr\u003e\n2017 Honda CRF230F Base\u003cbr\u003e\n2017 Honda CRF250R Base\u003cbr\u003e\n2017 Honda CRF250X Base\u003cbr\u003e\n2017 Honda CRF450R Base\u003cbr\u003e\n2017 Honda CRF450X Base\u003cbr\u003e\n2018 Honda CRF250R Base\u003cbr\u003e\n2018 Honda CRF450R Base\u003cbr\u003e\n2018 Honda CRF450X Base\u003cbr\u003e\n2019 Honda CRF230F Base\u003cbr\u003e\n2019 Honda CRF250F Base\u003cbr\u003e\n2019 Honda CRF250R Base\u003cbr\u003e\n2019 Honda CRF250RX Base\u003cbr\u003e\n2019 Honda CRF450L Base\u003cbr\u003e\n2019 Honda CRF450R Base\u003cbr\u003e\n2019 Honda CRF450RWE Base\u003cbr\u003e\n2019 Honda CRF450X Base\u003cbr\u003e\n2020 Honda CRF250F Base\u003cbr\u003e\n2020 Honda CRF250R Base\u003cbr\u003e\n2020 Honda CRF250RX Base\u003cbr\u003e\n2020 Honda CRF450R Base\u003cbr\u003e\n2020 Honda CRF450RWE Base\u003cbr\u003e\n2020 Honda CRF450X Base\u003cbr\u003e\n2021 Honda CRF250F Base\u003cbr\u003e\n2021 Honda CRF250R Base\u003cbr\u003e\n2021 Honda CRF250RX Base\u003cbr\u003e\n2021 Honda CRF450R Base\u003cbr\u003e\n2021 Honda CRF450RL Base\u003cbr\u003e\n2021 Honda CRF450RWE Base\u003cbr\u003e\n2021 Honda CRF450X Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: 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