Renthal 150U-520-48GBBU 520-48T Rear Chainwheel

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.

The Renthal 150U-520-48GBBU UltraLight Rear Chainwheel is a CNC-machined rear sprocket made from 7075 T6 aluminum. Its lightweight aluminum construction is engineered for powersports applications, with Renthal stating that it is 66% lighter than steel.

Computer engineering and testing support precise fitment, concentricity, and load dispersion. The tooth profile is designed to provide efficient power transfer, while the high-strength base material, manufacturing methods, and hardwearing surface treatments support durability in demanding riding conditions. This rear chainwheel has 48 teeth, uses a 520 chain size, and features a blue finish.

Fitment includes the 1988–1995 Honda XR250R, 2009 Yamaha WR250F, and 2009 Yamaha WR450F. Verify the vehicle application and chainwheel specifications before installation. The manufacturer part number is 150U-520-48GBBU, and the vendor part number is also 150U-520-48GBBU.

Features:

• Construction: CNC machined from 7075 T6 aluminum
• Weight advantage: 66% lighter than steel, according to the manufacturer
• Tooth count: 48 teeth
• Chain size: 520
• Tooth profile: Designed to support maximum power transfer
• Engineering: Computer engineered and tested for precise fitment, concentricity, and load dispersion
• Finish: Blue
• Fitment: 1988–1995 Honda XR250R, 2009 Yamaha WR250F, and 2009 Yamaha WR450F

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
1988 Honda XR250R Base
1989 Honda XR250R Base
1990 Honda XR250R Base
1991 Honda XR250R Base
1992 Honda XR250R Base
1993 Honda XR250R Base
1994 Honda XR250R Base
1995 Honda XR250R Base
1999 Yamaha WR400F Base
1999 Yamaha YZ125 Base
1999 Yamaha YZ250 Base
1999 Yamaha YZ400F Base
2000 Yamaha WR400F Base
2000 Yamaha YZ125 Base
2000 Yamaha YZ250 Base
2000 Yamaha YZ426F Base
2001 Yamaha WR250F Base
2001 Yamaha WR426F Base
2001 Yamaha YZ125 Base
2001 Yamaha YZ250 Base
2001 Yamaha YZ250F Base
2001 Yamaha YZ426F Base
2002 Yamaha WR250F Base
2002 Yamaha WR426F Base
2002 Yamaha YZ125 Base
2002 Yamaha YZ250 Base
2002 Yamaha YZ250F Base
2002 Yamaha YZ426F Base
2003 Yamaha WR250F Base
2003 Yamaha WR450F Base
2003 Yamaha YZ125 Base
2003 Yamaha YZ250 Base
2003 Yamaha YZ250F Base
2003 Yamaha YZ450F Base
2004 Yamaha WR250F Base
2004 Yamaha WR450F Base
2004 Yamaha YZ125 Base
2004 Yamaha YZ250 Base
2004 Yamaha YZ250F Base
2004 Yamaha YZ450F Base
2005 Yamaha WR250F Base
2005 Yamaha WR450F Base
2005 Yamaha YZ125 Base
2005 Yamaha YZ250 Base
2005 Yamaha YZ250F Base
2005 Yamaha YZ450F Base
2006 Yamaha WR250F Base
2006 Yamaha WR450F Base
2006 Yamaha YZ125 Base
2006 Yamaha YZ250 Base
2006 Yamaha YZ250F Base
2006 Yamaha YZ450F Base
2007 Yamaha WR250F Base
2007 Yamaha WR450F Base
2007 Yamaha YZ125 Base
2007 Yamaha YZ250 Base
2007 Yamaha YZ250F Base
2007 Yamaha YZ450F Base
2008 Yamaha WR250F Base
2008 Yamaha WR450F Base
2008 Yamaha YZ125 Base
2008 Yamaha YZ250 Base
2008 Yamaha YZ250F Base
2008 Yamaha YZ450F Base
2009 Yamaha WR250F Base
2009 Yamaha WR450F Base
2009 Yamaha YZ125 Base
2009 Yamaha YZ250 Base
2009 Yamaha YZ250F Base
2009 Yamaha YZ450F Base
2010 Yamaha WR250F Base
2010 Yamaha WR450F Base
2010 Yamaha YZ125 Base
2010 Yamaha YZ250 Base
2010 Yamaha YZ250F Base
2010 Yamaha YZ450F Base
2011 Yamaha WR250F Base
2011 Yamaha WR450F Base
2011 Yamaha YZ125 Base
2011 Yamaha YZ250 Base
2011 Yamaha YZ250F Base
2011 Yamaha YZ450F Base
2012 Yamaha WR250F Base
2012 Yamaha WR450F Base
2012 Yamaha YZ125 Base
2012 Yamaha YZ250 Base
2012 Yamaha YZ250F Base
2012 Yamaha YZ450F Base
2013 Yamaha WR250F Base
2013 Yamaha WR450F Base
2013 Yamaha YZ125 Base
2013 Yamaha YZ250 Base
2013 Yamaha YZ250F Base
2013 Yamaha YZ450F Base
2014 Yamaha WR250F Base
2014 Yamaha WR450F Base
2014 Yamaha YZ125 Base
2014 Yamaha YZ250 Base
2014 Yamaha YZ250F Base
2014 Yamaha YZ450F Base
2015 Yamaha WR250F Base
2015 Yamaha WR450F Base
2015 Yamaha YZ125 Base
2015 Yamaha YZ250 Base
2015 Yamaha YZ250F Base
2015 Yamaha YZ250FX Base
2015 Yamaha YZ450F Base
2016 Yamaha WR250F Base
2016 Yamaha WR450F Base
2016 Yamaha YZ125 Base
2016 Yamaha YZ250 Base
2016 Yamaha YZ250F Base
2016 Yamaha YZ250FX Base
2016 Yamaha YZ250X Base
2016 Yamaha YZ450F Base
2016 Yamaha YZ450FX Base
2017 Yamaha WR250F Base
2017 Yamaha WR450F Base
2017 Yamaha YZ125 Base
2017 Yamaha YZ250 Base
2017 Yamaha YZ250F Base
2017 Yamaha YZ250FX Base
2017 Yamaha YZ250X Base
2017 Yamaha YZ450F Base
2017 Yamaha YZ450FX Base
2018 Yamaha WR250F Base
2018 Yamaha WR450F Base
2018 Yamaha YZ125 Base
2018 Yamaha YZ250 Base
2018 Yamaha YZ250F Base
2018 Yamaha YZ250FX Base
2018 Yamaha YZ250X Base
2018 Yamaha YZ450F Base
2018 Yamaha YZ450FX Base
2019 Yamaha WR250F Base
2019 Yamaha WR450F Base
2019 Yamaha YZ125 Base
2019 Yamaha YZ250 Base
2019 Yamaha YZ250F Base
2019 Yamaha YZ250FX Base
2019 Yamaha YZ250X Base
2019 Yamaha YZ450F Base
2019 Yamaha YZ450FX Base
2020 Yamaha WR250F Base
2020 Yamaha WR450F Base
2020 Yamaha YZ125 Base
2020 Yamaha YZ125X Base
2020 Yamaha YZ250 Base
2020 Yamaha YZ250F Base
2020 Yamaha YZ250FX Base
2020 Yamaha YZ250X Base
2020 Yamaha YZ450F Base
2020 Yamaha YZ450FX Base
2021 Yamaha WR250F Base
2021 Yamaha WR450F Base
2021 Yamaha YZ125 Base
2021 Yamaha YZ125X Base
2021 Yamaha YZ250 Base
2021 Yamaha YZ250F Base
2021 Yamaha YZ250FX Base
2021 Yamaha YZ250X Base
2021 Yamaha YZ450F Base
2021 Yamaha YZ450FX Base