Originally Posted by elTwitcho

Mine makes a bit of noise, but I kind of expect that. It's a 1/8th drivetrain with non expensive parts (30 dollar cog and Truvativ Touro chainring) so some noise is going to be inevitable unless you're dealing with the more expensive machined parts.

My understanding as well is that some users have found that a 3/32 drivetrain is quieter but I can't speak to this personally