Ultralight Rear Sprocket-49T/50T/51T/52T for Yamaha

Ultralight rear sprockets feature a hard anodized finish and are specifically designed for road and racing applications.They are CNC machined from the same 7075-T6 material as their famous offroad sprockets, yet feature the increased longevity from the hard anodizing process.Hard anodizing is an integral surface coating which significantly increases the hardness and wear resistance of the sprocket surface. Specifications Tooth: 49T/50T/51T/52T Inner Circle Diameter: 5.11in Bolt Center Distance: 5.9in Features 7075-T4 Aluminum 60% lighter than steel Self-cleaning groove design Lightweight design Anodized coating Warranty 90-day warranty Suitable YZ 125 1999-2001 WRF 250 2007-2024 YZ 125 2002-2004 WRF 400 1999-2001 YZ 125 2005-2024 YZF 426 2000-2002 WR 250 F 1999-2000 WRF 426 2000-2002 YZ 250 1999-2001 YZF 450 2003-2004 YZ 250 2002-2005 YZF 450 2005 YZ 250 2005-2024 YZF 450 2006-2009 YZF 250 2001-2004 YZF 450 2010-2013 YZF 250 2005-2011 YZF 450 2014 YZF 250 2012-2024 YZF 450 2015-2024 WRF 250 2001-2006 WRF 450 2003-2024