Can a seat post be too light?

I have a choice of two Deda carbon posts one is 20g lighter than the other one and although the carbon looks the same on both, the walls of the tube look wafer thin on the lighter one. Im not too bothered about 20 g but the lighter one has a nicer saddle clamp system and arguably nicer graphics. Ive had a post crack on me before at the frame clamp and at 74kg Im not the lightest rider. Is it worth risking the lighter one?
Pegoretti
Colnago
Cervelo
Campagnolo
Colnago
Cervelo
Campagnolo
0
Posts
Are Scott still fitting Ritchey or have they moved everything over to Syncros now?
Depends on the model. The high-end stuff is still Ritchey.