It probably didn't play well with the minimalist clamping on your post because instead of having the force of impact distributed over an entire clamp area like a Thomson, it got put into two very small areas and the carbon couldn't handle it. I don't think it is safe to use any carbon railed saddle with the KCNC type clamping mechanism.checky said:I had the 100g version.
At the third or fourth ride one of the rails broke (my current weight: 74Kg). Perhaps it is possible, that this saddle is not strong enought to match with a KCNC Ti seatpost. Dont know.
After send the seller a pic of the damage I get my money back, including the shipping costs.