Wondering if the contact area is enough. Each clamp surface (silver coloured faces) is about 4mm across.
You could try swapping it out for the lower clamp from a different seatpost
https://www.ebay.co.uk/itm/J-L-SeatPost-Carbon-bottom-Clamp-Cradle-fit-3T-Cervelo-KCNC-Ax-Lightness-BMC-/122018019816
@PhilDAS started
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Wondering if the contact area is enough. Each clamp surface (silver coloured faces) is about 4mm across.