This can't be OEM bore size?
#2
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I wouldn't worry about it since that's not a dimension that should have ever changed throughout the FD's life, but if you're insistent on confirming it by measuring, ask yourself this. Are you certain your caliper is properly calibrated? Are you sure you're measuring at the correct location? Are you sure there isn't something throwing off your measurement? My recommendation is to remove the brake rotor and use a tape measure to check the circumference of that cylinder you're trying to verify, then do a little math to come up with the diameter. My experience has taught me to avoid using calipers the way you have shown in your picture. I would prefer a micrometer, but that's not exactly something that everyone has lying around. The caliper could probably give you a better reading if you could orient it parallel with the brake rotor, but that's not an option thanks to the wheel studs.
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anh_cloud9 (07-30-19)
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