@rhb, great thanks, I will need to look at my bikes tomorrow.
No worries... the bikeradar review says
you’ll also need 60mm of exposed seatpost to fit it.
which is better info than my old pic shows.
That seems a bit optimistic. I've got about double that and it's tight putting it on and taking it off when it's stuffed full (50cm frame though which may make a difference).
@rhb started
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@rhb, great thanks, I will need to look at my bikes tomorrow.