THIS IS A STOCK 16 TOOTH SPROCKET FOR THE 2009-2016 FZ6. IT WILL ALSO FIT THE R6 FROM 2009-2015 AND IS ONE TOOTH LARGER THAN STOCK IF YOU WANT TO DROP THE REVS. IT ALSO FITS THE FZ1 AND IS ONE TOOTH SMALLER FOR MORE ACCELERATION.*INTERNATIONAL PURCHASERS MAY BE CHARGED DUTY FEES DEPENDING ON YOUR COUNTRY. PLEASE NOTE THESE ARE NOT CHARGES BY US AND WE HAVE NO CONTROL OVER THEM. PLEASE PAY ATTENTION WHEN CHECKING OUT*