Quote Originally Posted by jimithng23 View Post
Nope. That's part of the reason I posted this. So far the XO1 has performed as advertised - very quick and precise shifting, no dropped chains, and virtually silent on the trail.

However, this is partially due to "new bike syndrome" as I only have 50 miles/10 hours on it so far.
I have endurance guys on the team running XX1 with a full season without any issues. I'm an Shimano XT guy myself, but shaving a pound off the drivetrain is pretty attractive. $400+ for a cassette (a wear item mind you) is just against my laws of logic.

What, no 650b!? That's what all the cool kids are doing! (How To Be A Mountain Biker: Pick a wheel size and be a dick about it ;)