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From the little notches in the hub flanges, it looks like the hub has been build 3 cross before. And the heads were flipped vs what you have done, which is possibly a good thing since you have gone for a different cross pattern.
It's probably fine. I'd ride it, and if you do get a premature spoke failure, you have enough spokes to carry on riding, and you can always rebuild it to 3 cross with the heavier duty spokes later.
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There is alot of cross over on the flanges. that may or may not be a problem. time will tell. It will depend on how much the spoke has to bend over the flange. 3x would have been better but some hubs like the rolloff require 2x lacing.
You'll probably be fine though. it's built now so it better be.
Hovis
cycleclinic
@Vince
I have just built a Nexus 8 speed hub I had lying around on a NOS 26" Mavic 36h "disc" wide clincher rim found on eBay for a tenner.
I had a box of double butted stainless steel 264mm spokes which happened to be the right length for lacing 4x.
What I didn't know and found online later is that it is not recommended to lace 4 cross when you have a hub with a large flange, ie that Nexus hub as the spokes cross over the actual flange and apparently this adds stress. Not sure if it is actually true but I am sure @mdcc_tester & @cycleclinic can confirm.
Also, the Nexus hub can accommodate 2mm spokes so I could have got proper heavy duty spokes instead of standard ones from my parts box. Or at least spokes washers as it kind of looks like the spoke head just covers the flange hole.
Anyway, I have learnt more about wheel building today and I don't think it will explode.
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