I've got some 0.4mm thick stainless steel shims in that size, i.e. 1.375" internal diameter, if you want something a bit thinner than the 1mm thick cassette spacer.
@gbj_tester started
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I've got some 0.4mm thick stainless steel shims in that size, i.e. 1.375" internal diameter, if you want something a bit thinner than the 1mm thick cassette spacer.