Disc caliper bolt size...

BerthaPog

Retrobike Rider
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Kona Fan
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Daft question...

Is M6 x ~18/19mm the "standard" bolt size for disc caliper mounting, very modern Deore if that makes a difference?

Ta,
 
M5 for the disc to hub.
M6 for caliper to fork.

I have 10mm in the disc to hub, and yes 18mm-ish (had to buy 20mm and cut) for fork to caliper.
 
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