super light trials hubs good for track?

Hi all, i was wondering if anyone had tried building a track wheel with a trials hub? like this one:

http://www.tartybikes.co.uk/116mm_fixed_hubs/echo_tr_rear/c62p10706.html

the hub is 32 hole, and weighs in at ~170g, its also pretty cheap £45. but theres a few issues:

1) threads. there is no counter rotating thread on this hub, so the lockring would have to thread on in the same direction. i dont think this should be such a huge problem

2) as i understand it, these are designed for 116mm not 120mm frames. washers?

3) i cant for the life of me find the chainline for the hub. i guess its 43mm?

4) bearings, i guess trials bikes have no need for efficient bearings, but i think i can probably replace them if they are duff?

if theres any other glaring reasons i shouldnt try to build a wheel up with one of these, please tell me before i find out through trial and error :)

dont think you will even be able to fit a lockring which is a fundamental issue...

given all the other issues, why bother??

It cant be for lightweight purposes as it will have 32 spokes anyway

Weight is less of an issue on track, why the need to build with very light hubs? Seems a lot of faff for the sake of ~100g

its more a curiosity, as well as a viable option because of the price/weight ratio here. personally i would go 28H because i do ride on road as well, so the 32H isnt too far out of my scope.

I use a pair on my SSCX, no issues yet.
super light, made to jump around on, what can go wrong?
When I used it fixed I used a BB lock ring with locktite.
It's not the proper solution, and I wouldn't recommend for high speed city smashing, but for track I see no problems.

Are you planning on using that thing on the road?

You'd be better off just getting some cheap superlight Chinese track hubs or if you've got the cash then go for the American Classic track hubs for only 10g extra.

What is the diameter of that bit that is going to fit in your dropouts? I've never heard of "trials", but bmx hubs have lots of exciting bolt / nut arrangements some of which work nicely in a track frame and some which don't.