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That $80 Park Tool chain checker I bought was a total scam
I picked up that Park Tool CC-4 chain checker three months ago thinking it would save me from guessing chain wear. Used it on a customer's bike and it said the chain was fine. Two weeks later the cassette slipped under load and I measured the chain with a ruler - it was stretched way past 0.75. I lost $60 on that cassette replacement and had to comp the labor. Has anyone else had bad luck with those click-style gauges?
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the_lucas15d ago
Agreed completely, I had the exact same problem with that tool. It told me my own mountain bike chain was good and I ended up shredding a cassette that cost me over a hundred bucks to replace. I went back to a simple ruler and never touched one of those click-style gauges again.
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rileyb6115d agoTop Commenter
Man, my buddy Jake had the exact same thing happen on his gravel bike. He trusted that clicker and ended up trashing a whole drivetrain before he figured it out.
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fiona_murphy13d ago
Wait, are you saying those cheap click-style gauges can tell you a chain is fine when it's actually stretched way past the limit? That sounds like a pretty serious design flaw if you can't trust the reading it gives you.
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