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  • Help with replacement bearings (Hope).
  • Saccades
    Free Member

    I’m swapping bits from one frame to another and thought whilst that’s being done I might as well replace the bearings on the headset and bottom bracket.

    Except I haven’t a clue. I can find my headset but not the bearings (are they a standard size or something?).

    I have a Hope ZS49/28.6 EC49/40 (4F) headset.

    I also want to swap out the hope steel BB bearings, I have a lot less details for this.

    It’s a X01 crank set that had a Team GXP BB, but is now replaced with a hope steel and dub converter. Are they just a std 24mm diameter?

    There’s nothing wrong (except old), with them so I might just sack it off.

    1
    Phil_H
    Full Member

    Headset bearings will be 1″1/8 top & 1″1/2 bottom.

    Details here

    https://www.hopetech.com/product-documents/controls/#!pick’n’mix-headsets

    If the bottom bracket is fine I wouldn’t replace the bearings.

    If you’re running gxp cranks with an adapter the bearings are od 37mm, id 24mm, width 7mm

    Saccades
    Free Member

    Brill, cheers!

    Aidy
    Free Member

    I’d be even less inclined to change a set of headset bearings before they needed to be. I don’t think I’ve *ever* worn out a set of headset cartridge bearings.

    acidchunks
    Full Member

    You could pop the seals and inject some fresh grease.

    If you need one, offset the cost of a grease gun against the bearings you don’t have to buy 😉

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