Originally Posted by
Bill Kapaun
I've seen a couple Shimano RM-30's that eat DS cones.
It is a bottom end of their line, but NOT ALL Shimano hubs are "durable".
I don't know if those hubs are inherently less durable or if they are more likely to be poorly adjusted since they are installed on low cost bikes. LBSs or Big Box store mechanics aren't going to spend much time on these.