Do you mean the slot is too narrow? Or the spacing between the dropouts is too small?

Hope hubs always seem to be a little bit fat in the axle department.

I think you should file the hubs. Everyone else says you should file the dropouts.

My tuppence worth – not convinced re filing hubs Brant. I use two different types of Hope hubs on two wheelsets, and have swapped these back and forward between two other bikes for years.

Built up a new 456 last year, Aug/Sep time – the dropout that came with the frame was too narrow to accept either rear wheel I had – my immediate thought (and still is) at the time was just a poorly machined dropout.
Went to get a file then remembered I’d ordered a spare dropout with the frame order, so tried that – worked fine, and it’s still on the bike.

I did call about the one that came with the frame and was told to follow the returns process. I’m sure I’ve still got it in an envelope somewhere .. never got round to dealing with it.

So o/p – I would send the dropout back and get a replacement …

Brant – that make sense?

I’ve got a pair of American classic wheels where the hubs seem a bit too wide and need a lot of effort to fit in the fork/stays. Just seems not all hubs are exactly the same width…