Which size track nuts?

combat_wombat Posts: 2,188
edited October 2008 in Road general
I'm after some new nuts for my rear axle.
(had a puncture this morning + found they're a bit too rusty...)

How do I know what to get.

(I've seen size 10 and 14 online)

I'd like to order online

I have a Surly flipflop hub.

48/19 Winter : 105 Summer