Bicycle Mechanics - Chain tool for hollow pin chains?
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07-19-11, 08:13 PM
Is there a special tool I need for hollow pin chains? The chain in question is a KMC K710SL. I tried removing one link and my chain tool just squashed the end of the chain pin.
I did notice that chain tool pin was a bit messed up... would a new chain tool pin do the trick?
Also, is there anything cheaper than the Park Tools CT7 that can handle 1/8" or BMX style chains?
07-19-11, 08:44 PM
A regular chain tool ought to work fine on hollow-pin KMC, SRAM and Shimano chains. I use the usual Park Tool models myself.
07-19-11, 08:59 PM
Ok, that's what I thought. I just wanted to make sure before I went and squashed more pins. Right now it's looking like I need to take out the link I destroyed and replace it with one of the spare links I already cut off. :notamused:
Since you're only pushing the pin out to cut the chain any tool should work as long as the punch is made of decent steel. Before cutting check both ends of the chain. Some have a few standard solid pin links on one end, that's where you cut from.
07-19-11, 09:29 PM
Also remember that KMC is all about joining their chain with a master link, so by their way of thinking, deforming the outer plate and/or destroying the pin is a "no harm, no foul" situation because you'd be throwing them away and using a master link in their place.
07-19-11, 10:15 PM
Right. Well, if I deform the pin and it's "mushrooms" out, won't that deform the inner plates on the way out... or at least widen the hole a bit? Or is that not really an issue if I'm using the master link?
I've had cheaper KMC chains that were a breeze to cut and re-assemble, but I've always had trouble with these burly asymmetrical plate ones.
Thanks for the help guys!
07-19-11, 11:59 PM
Right. Well, if I deform the pin and it's "mushrooms" out, won't that deform the inner plates on the way out... or at least widen the hole a bit?
No, not a problem. It's not a press fit between the pin and inner link (needs to be able to pivot freely and have some lateral play).
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