To determine if freehub is 7 or 8/9/10 is easy:
Using calipers, or quality ruler....measure spline stop to outside of the locknut.
40.5-41mm = 8/9/10 speed
39.00mm = 7 speed
36-37mm = 6/7 speed (pretty old really)
--\ <---- measure ---->
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..........................|....|XX
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--/
=8-)
__________________
5000+ wheels built since 1984...
Disclaimer:
1. I do not claim to be an expert in bicycle mechanics despite my experience.
2. I like anyone will comment in other areas.
3. I do not own the preexisting concepts of DISH and ERD.
4. I will provide information as I always have to others that I believe will help them protect themselves from unscrupulous mechanics.
5. My all time favorite book is:
Kahane, Howard. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life
Last edited by mrrabbit; 02-20-13 at 11:20 PM.