• ...if your measurement between the flanges is 57 you have a hub that was built as a boost hub - if it's 52mm then its a 142mm hub - either way, it looks like you can make it fit your dropouts by using the appropriate conversion kit.

  • Ah thanks so much for this and also doing the maths. I had a bit of a time trying to measure but I think it's 52 so a normal hub (I think you did a typo) so I just need end caps. Annoying but not as bad as rebuilding a wheel.

    Moral of the story is buy and use Vernier callipers.

    Interesting that you can convert a boost hub to 142.. didn't realise that. I thought it was a negative shim situation.

  • yes - typo corrected

    • also, i think i saw that the 142 -> 148 conversion kits also have a spacer to add behind the disk rotor so you'll need to remember to remove that as well as changing end caps to get back down to 142mm spacing
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