• would I need to clamp it tighter than an ali post in order to stop it slipping?

    In my experience, yes. I ended up putting Loctite on mine, although that was in a steel frame and at least a decade before Tacx paste was invented. I think the combination of hardness and smoothness makes for poor grip, but that can be mitigated by the frame material (aluminium is sticky) and friction modifiers in the lube. Not an arrangement you'd want to change position on daily, though.

    Seat posts are one of the bicycle components* where Ti offers no benefits unless you happen to love grey jewellery.

    *The others are literally every other part of a bicycle with the possible exception of saddle rails.

  • Interesting, because I've had to Loctite Ti crank bolts which kept coming loose. I've never had that happen with steel bolts.

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