Just installed the Driven rear sprocket. No lag on take off. Solid feel after the upgrade. 2004 1000rr has a 41 teeth stock sprocket. Went to the 43 teeth sprocket per the Hooliganwebsite keeping stock front sprocket(http://www.hooliganbiketech.net/hond...frameindex.htm). Great ideas on his website.Check it out.Went with the Drivensprocket fromBrad atSuperbike Supply. He recommended that one over Afam duetohis own personal testing. I was sold.



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