Funny, i've never had any real problems with any Walmart bicycle I have ridden or bought. I rode one 2000 miles on a tour with the biggest problem being flats. So you might have to make an adjustment once in a while.... all bicycles requires adjustments once in a while...

But yet, when I go into my local LBS, you can see more expensive in there constantly being repairs... so much so, that there is a week long waiting list just for them to repair or tuneup a bicycle.

Usually I find the more expensive the bicycle, the more that person hates Walmart. A direct ratio.

But yet these same people are willing to spends many times more on repairs at an LBS than I spend on a new bicycle.

I do buy a new bike about once a year from Walmart, I like getting a new ride each year, and I donate my old perfectly working bicycle to charity each year.

But I'm not going to be riding in pelotons or fitting in with the fashion types.