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My Rickman CR750 Restoration

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SumpMagnet:
Hope this isn't far too late to be helpful...but...

With the disc on a flat surface, it's 21mm from the inside of the inner mount face to the inside of the disc's outer face. 26mm on mine to the outside, and a minimum disc thickness of 4mm before they go in the bin.

The discs will be off for a bit while I clean, prep and paint the inner sections...so shout if you need more measurements.

SteveCR7:
Thanks sumpmagnet, defo not too late. If I have read right, that’s the number I was hoping for. The K7 disc has 14mm offset and I need to space the K7 disc out from the hub by 7mm. Now I am no maths genius but 14 + 7 = 21, so the F2 disc should work with no spacer, as long as the disc bolt holes match.  I have been playing with the mounting plate this morning and apart from tidying the shape I have sorted it.

Cheers mate

Bryanj:
I thought K had 6 bolts and F 5

SteveCR7:
Just been looking on eBay and F2 disc has 5 mounting bolts, K7 has 6 so looks like K7 disc and a spacer.

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