E Elfman Bontrager Fan Aug 23, 2024 #19 Antwack said: What diameter is the seat clamp please? Click to expand... Hi @Antwack , looks like the clamp has an inside diameter of 31.8mm. It fits both of my vintage Santa Cruz bikes (Heckler and Superlight), one took a 27.2 seatpost and the other a 26.8.
Antwack said: What diameter is the seat clamp please? Click to expand... Hi @Antwack , looks like the clamp has an inside diameter of 31.8mm. It fits both of my vintage Santa Cruz bikes (Heckler and Superlight), one took a 27.2 seatpost and the other a 26.8.