Is this standard practice for converting all NR to triple? Or, are several "standard practices" out there? (Ok, linguistic non-sense but, I hope it's understandable)
Richard Cielec Chicago, Illinois
Donald Gillies <firstname.lastname@example.org> wrote: Re: Won't drilling a campy spider for a triple cause the threads to wear out if the rings are changed often ??
I own an original equipment campy triple. Into the spider, you screw "5 special bolts and 5 special spacers" as described by bicycle classics. In campy's case, the spacers are actually bolts with enormous round heads that have large shallow alan holes, and within those alan holes, there are deep threads to accept normal nouvo record chainring bolts.
Therefore, to change rings on an NR triple, you are NOT constantly screwing steel bolts into aluminum threads, and back out again. You are actually screwing steel bolts into the steel threads of the alan spacers, and back out again. The alan spacers are screwed into the spider only once.
Durability should beat all contemporary cranks (where you screw steel bolts into aluminum threads), because if the steel-on-steel interface wears out, you can replace the "5 special bolts and 5 special spacers" equipment with brand new ones.
- Don Gillies San Diego, CA
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