Different pulley dimensions between years?

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Nov 10, 2014 | 03:23 PM

emerican19

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Road Warrior

Joined: Oct 2010

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From: San Diego, CA

Different pulley dimensions between years?

So short story long: a couple years ago I switched from stock spokes on my 07 FXDB to 13 spoke mags, I kept stock pulleys on there. About a year later I changed to 30/70 pulley combo. I sold my stock 07 FXDB pulley.

I decided I wanted to go back to 66t so I bought a used pulley from a newer street Bob from a forum member- 2012 or 2013 I think.

I just got a rear tire on there Saturday and Brought the pulley for HD to put on there since the wheel was off- they told me it doesn't fit. Like it just wouldn't even bolt up. I know there are different widths and number of teeth, but they were saying it wouldn't even bolt on.

So my question is: are they full of ****? I thought the bolt pattern has been the same forever, just different widths and teeth. I think they were just not wanting to mess with the spacers on the axle, but am I wrong? Are there different bolt patterns between years?

Nov 10, 2014 | 04:08 PM

JRK5892

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Joined: Mar 2007

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From: Chicago suburbs (Elgin/Schaumburg)

the thickness of the belt is different, 06 and some 07 run a 70T, for a 1 1/4 i belive belt, then in late 07+ they changed to a skinnier 1" belt and 66 t pulley you can run a fatter pulley wih a skinny belt no problem, but your can not run a fat belt on a skinny pulley