Here is the link to my ad for the cranks. If any good for you I'll do the arms for £17 posted. Even though they're from a slightly lower end group they feel like quality items. http://www.retrobike.co.uk/forum/viewto ... p;t=349471
Not certain on the q-factor. Can't seem to find anything online. These are triple cranks arms and I'm pretty sure having owned double octalink chainsets that the only difference was you needed a longer bb (118.5mm) to run them.
thanks, i'm going to do a little research and make sure they will match without having some funny offset differences betweent he 105 and the DA track cranks before I say yay/nay.