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NEW Renthal Race Rear Sprocket for Yamaha YZF-R1 1998-2014 520 42T 42 tooth

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YAMAHA YZF R1 4C8 YZF-R1 2007-2008 SUPERSPROX REAR SPROCKET 46T

YAMAHA YZF R1 YZF-R1 2004-2006 SUPERSPROX REAR SPROCKET 5VY 46T

YAMAHA YZF R1 4C8 YZF-R1 2007-2008 SUPERSPROX REAR SPROCKET BLUE