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Will a 130mm fixed hub have a wider body than a 120mm hub?
No, just a longer axle with some extra spacers.
What's the pin length on your final drive chain? You can get down to 8mm with the flush riveted KMC X101, or even swap to a 3/32" sprocket and use the 6.7mm wide X1
Boost (110×15) hubs with 6-bolt sprockets are the way forward for 47mm chainline to match the outer ring of a road double, they actually have wider spaced flanges than 100×15 hubs, although the latter build up symmetrical if you shift the hub 5mm to the right to get the same chainline.
gbj_tester
@Miitch
I've changed the timing chain for 10speed and it is tons better. The bolts on the eBB are imperial (and I have no imperial tools) though so it's a bit too tight. The chains still collide, unless you push the back chain across. So I still need to space the rings apart by less than 1mm to give me decent clearance. I moved the front ring to the inside of the spider but that's ruined my timing chain line, so I need to move that back. Then finally to fix my back chainline, I think I'll have to fix it at the hub as @mdcc_tester suggested.
Will a 130mm fixed hub have a wider body than a 120mm hub? Therefore sorting out the back chain line