Bicycle Mechanics - how to fix a broken chain.
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Anyone tell me the basics of fixing a broken chain? I broke one a few months ago, and had to walk home for 3 miles. My old multi-tool had a tool for fixing chains, but im not sure how to use it! anyways, the tool got stolen at a bike shop.
I dont know what kind of a chain you need (single/geared), but a new chain usually comes with a quick link to connect the new ends. If one is not included, you can pick up a "power link" at any bike shop. The only other thing I can think of is getting the right length down. If you have the old chain, just match em up. If not, size it up before doing any chopping. If the shop you buy the chain from won't cut a few links off for you, you should find a new shop. Hope that helped.
07-19-00, 07:07 PM
One of the easiest ways to fix a broken chain on a bike with gears is to use a KMC missing link. (single speed bikes require a masterlink) There are other brands of quick connectors also. I will tell you about the KMC. You will need to have a chain riviot tool. With your chain tool remove the broken part(s) of the chain. That is drive-out the center pin on each end of your chain. Leave your chain so each end is a male end or has the hole open so you can install your missing link. There are two parts to the missing link. Each look the same. Make sure your chain is routed correctly through your sprockets. Then insert the missing link into one end of the chain. Then install the other link into the other end of your chain in the opposite direction. When you do this you can then connect the two halves of the missing link together, with your hands. After they are connected, pedal the chain around so that the link is on the top of the drive train. Hold your rear wheel from turning with one hand, and put pressure down on your pedal with the other. This will cause the two halves of the link to lock or snap into their final position. This can be a permanant fix if your chain is still the correct length, after you have made the repair.
I think i understand what to do, but do i install the KMC missing link before i ever have a brake? or is this somthing that i put on when the chain brakes? sorry if this is a dumb question.
P.S. do you have a picture of this link?
07-20-00, 10:41 AM
The only dumb question, is the one you do not ask!
The KMC missing link is designed to repair your chain after it has broken or if you need to disconnect your chain yourself to do your own repair work. A new chain usally comes with a spare repair link. The advantage of a Missing link is that it will work with all chains 21 & 24 Speed. (there is a different size Missing link for a 27 Speed.) This way if you are with a friend and he has a different brand chain than you, your link will work to fix his chain too.
We have a picture of them on our web site at http://www.TaylorsBikeShop.com
Look in the shopping section under components in the little search window. They are cheep considering how easy they are to use.
08-04-00, 10:39 PM
Find a club or someone to help you learn how to work on your bike. A Sram Power Link ( connector ) and a Park Mini chain brute should be part of your on bike tool kit.
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