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I'm looking at a flywheels catalog, the dimensions are like the following:

124T×4H×11mm

I think, T are the number of teeth, the latest number should with the teeth ring width? What the H stands for?

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  • I'm pretty sure the "#H" is the number of holes, and the mm after it is probably the hole size ... that is a total SWAG. There's another measure which goes with it, usually the OD (outside diameter). I believe this is the outside diameter of the clutch disk which goes on it, but not quite sure. This is all a guess, so leaving it as a comment. Nov 27 '16 at 2:38
  • Yes, I just found out T and H, but not the mm. H are the number of holes... Nov 27 '16 at 4:42

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