• Stronglight A9 is the needle bearing unit?

    Originally caged ball, then needle/roller and now cartridge.

    Personally I'd avoid roller bearings, as a HS is the wrong application for them.

  • Now cartridge?
    Hmmm, may have to consider one of those, as finding a 6400 is proving difficult. Is it easy to spot the difference in bearing type when buying the A9?

    bt

  • Yes, definitely cartridge (I've added links to my post above).

    I don't know if there is a visible difference between the different versions, you'd have to ask the seller.

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