Originally Posted by LarrySellerz

That they straight up won't work after a decent amount of use? I ride two bikes with low end disc brakes regularly and its a complete nightmare. After paying to get it serviced the brakes are almost useless in a week or two, have spent hours trying to fix them myself. Cheap rim brakes are junk but they are much much better than cheap disc brakes. If I had to buy a new bike I would never buy disc brakes because of my bad experiences.

Also even when set up "correctly" they are prone to rubbing on the pads. Its the nature of the beast with disc brakes