JT rubber cushioned sprockets offer the same quality, design, and OEM proven technology as used by major Japanese motorcycle manufacturers since the early 90s to dampen chain impact.
Fits:

Yamaha FZ1S 2001, Yamaha FZ1S 2002, Yamaha FZ1S 2003, Yamaha FZ1S 2004, Yamaha FZ1S 2005, Yamaha FZ1S 2006, Yamaha FZ1S 2012, Yamaha FZ1S 2013, Yamaha FZS1000 Fazer 2001, Yamaha FZS1000 Fazer 2002, Yamaha FZS1000 Fazer 2003, Yamaha FZS1000 Fazer 2004, Yamaha YZF-R1 1998, Yamaha YZF-R1 1999, Yamaha YZF-R1 2000, Yamaha YZF-R1 2001, Yamaha YZF-R1 2002, Yamaha YZF-R1 2003