Quote Originally Posted by OakLeaf View Post
Keeping the drivetrain clean is good, and a dirty or dry chain can be noisy, but it doesn't cause misalignment...


...I'd be surprised if it's so low that you really ought to be using the big ring under 20 mph...
I was wondering about shifting under load pulling things out of alignment, but I already wrote a tome on trimming; someone else can write about shifting under load.

According to Surly: 26-36-48. 11-34