On some bikes in specific RPMs the lock of the CI Pad holder may rattle. The solution is not to tighten the nut.
The solution is to get a spring washer of this or equivalent specification: DIN 137A M8/8,4
Assemble the lock following the photo below. A thread lock is necessary to secure the nut.
Make sure to use galvanized spring steel, not stainless steel. Stainless steel has no modulus.
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