• I've got a set of XL50 Superleggera wheels that need new bearings.

    Hubs are unbranded and I purchased the wheels second hand, but I think someone purchased them from Ribble originally, not much info about them.

    The brand is CSN apparently.

    https://www.ribblecycles.co.uk/csn-pr-whls-superleggera-xl50-tubular/

    What size bearing would I need for them?

    Also, is there any kind of tutorial on how to replace them? I can't even seem to see how I would take them to bits! Guessing there's an internal allen bolt or something.

    Thanks!

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