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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 05-22-06, 02:59 PM   #1
1fluffhead
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KMC Kool Chain question

I have been looking at new chains and was wondering what "mushroomed pinned" means? I am thinking that the pins have a mushroom like top on the ends to hold the plates in place, is that correct? Does that mean I would need a special chain tool to break the chain? Would I need special mushroom pins to re-join the chain together? Specifically the chain that I am looking at that says this is the KMC 810 Kool Chain.
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so what if it's custom, are you suddenly NOT a jackass?
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Old 05-22-06, 03:40 PM   #2
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oh boy..
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Old 05-22-06, 03:48 PM   #3
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Without knowing anything about that exact chain, I think you analysis is probably right on. Mushrooming the rivet heads would make for a chain that is less likely to come apart, but it would also take more force to press a rivet out. I bet you can break it with a normal chain tool, but I wouldn't try to reassemble it using the pin you pressed out since the flange is almost certainly shot. This sounds like a perfect time to use a master link.

Given how much of a pain that sounds like, why not just scare up some kind of normal chain that can be cut and reassambled without worrying about mushroomed heads and stuff?
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Old 05-22-06, 04:27 PM   #4
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I've got one an used a normal chain tool to shorten it and then used the provided master link.

I dig it. Nice chain. Quiet and smooth.
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Old 05-22-06, 04:29 PM   #5
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dont eat the mushroom chains. They will make you see things.
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Old 05-22-06, 04:46 PM   #6
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oh boy..
What?
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Old 05-22-06, 06:49 PM   #7
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