Old 08-21-20, 01:25 PM
Join Date: Jun 2010
Location: NW,Oregon Coast
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I have had the blocking ring (like the one with the 6 holes in it )

strip out the threads in the crank arm ... instead of budging the arm off the spindle at all.

so on another bike, that self extractor, I took it out and put a regular bolt in. Octalink BB ..

may be same style.. Its all aluminum want it ?


Last edited by fietsbob; 08-21-20 at 01:31 PM.
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