Originally Posted by
sean.hwy
Do you replace the master link each time or reuse it 2 or 3 times before replacing it? Seems like all the master links I have seen for sale say one time use only.
...not sure why they say that, but they work with repeated opening and closing, and I see no mechanical reason not to do so.
Those Shimano break off chain pins are another matter, and are only good for one time.