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Hi, I'm Evan from Gregg's Cycles, and I'm going to talk to you about replacing your
chain rings on your bicycle. Many times chain rings will need to be replaced because they're
worn out, you have broken teeth, chipped teeth, and the way that you can tell is if they're
old and kind of not as, not as sharp, they kind of have some deep grooves in them, then
they definitely need to be replaced. Also, your local bicycle mechanic can, can help
you determine whether or not they do need to be replaced. First thing that you would
want to go ahead and do is use a five millimeter allen, and just go around to all these bolts
and loosen them. Make sure you're loosening them evenly. Then after you did that, this
chaining will just slide right off, you wouldn't even have to remove your pedal. Generally
you don't have to remove your crank arm, in some, with special types of cranks or in a
special circumstance, you may have to remove the crank arm, but that would just slide right
off, and then you would replace it and tighten these bolts down equally. You definitely want
to make sure that they're tightened equally, if they're not, then what can happen is you
can kind of get one of these that kind of bulges out just a little bit, and then you're
going to have problems with skipping and slipping with your chain. So that is, in effect, how
you would go ahead and replace the chain ring on your crank set.