Evening all, Just wondering how long the rings on your chainsets are lasting you? I have been using my Dura Ace chainset for about a year now, and the teeth seem fine on it. I did change the smaller ring from a 42 to a 39 very early on (ordering it on Wiggle whilst I had about 75 different tabs open in Chrome, combined with VBoxing 3 operating systems, dealing with countless calls from work and watching I'm Alan Partridge at the time, I accidentally clicked the wrong gear set up on the order page), but aside from that, nothing. Also, I have gone through 3 cassettes and chains since getting full Dura-Ace, over the course of just over a year, and would be interested to know how often you are all going through your gear, on the front and back of the drive-train. Cheers.