Hi Dave,
What rotor shims? There's no shims.
You can "index rotors" to reduce run-out, checking with a dial indicator.
See Zimmerman's nice tech pages at their website.
Check out the rotor installation How-to's at many popular parts chains
and note that most of them overlook cleaning the old hub and don't mention
the special tools for that. The bulk of them never heard of indexing rotors.
It is odd that ATE and Zimmerman brake parts are sometimes not available in
North America, probably due to corporate efforts to control parts competition,
availability and pricing, mostly to improve the dealer experience.
Zinc coated rotors are a big improvement.
Bill
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