Self-Extracting Some Lessons | Tech Tuesday #154
#SelfExtracting #Lessons #Tech #Tuesday
“Park Tool”
Calvin has found himself a bike with a self-extracting crank! What will he find as he checks on the retaining ring? Can he figure out the most efficient leverage to work on the bike? Which ancient “bike mechanic” will he quote? The answers to all of these and more are in this week’s Tech…
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