Just dont buy one, save your money and sanity.
I had a new one on my bike, within a few months I had to tighten the preload up pretty much every 2-3 rides.
Then at about 6 months later the bearings went.
LBS replaced them and tried to sort the preload issue.
A few rides later the preload was loose.
A few rides later the gears changed themselves under load.
After several hours of me trying to sort the shifting, buying a new hanger, checking cables, mechs etc I gave up.
LBS checked everything, turns out the alloy (monkey metal) spacers inside were worn.
So the whole thing wobbled under load.
E13, after being chased hard by the LBS, replace these with “improved” versions.
So basically the original ones didnt work.
They also replace the bearings as these were wearing out again.
This was just before Xmas.
I went on holiday, came back to the crap weather and managed about 3 rides – bearings worn again to the point I have rear wheel steering.
Its washed with a bucket, brush and sponge FFS.
When you pull it apart you can see the seals are completely useless. They wouldn’t even keep a damp dew out, never mind a British day in the woods.
So to stop me going mad and stop my LBS laughing at me when I turn up with my rear wheel every few weeks, a nice new DT Swiss hub has been ordered.