Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
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Since 1/8" chains (usually) come with connector links (master links), shortening is straightforward. Generally you use an inexpensive chain tool which you can find just about anywhere.
If you don't have a chain tool, but do have access to a bench grinder, you can grind the pins flush at both ends of the outer link then push them out with a hammer and punch. You only have to push far enough for the plate to fall free, then the link will fall out the other side of the chain. Replace this link with the connector on your bike and you're good to go.
Be sure to measure carefully, because it's a measure twice, cut once kind of a deal. But if you do mess up, you can resplice the chain with a second connector or a chain tool.
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