Originally Posted by Clythio

Piece of ****, this solution adopted by Fuji - it's Ritchey, I believe - even with 20+Nm doesn't stay in place in Velodrome banked turns if you go to the front end of seat with your weight, and spinning fast.
Bought a Norcom seatpost (100% compatible) and it's a bit "advanced" but not enough to deny seat moving downward ..
Cannot understand Fuji doing such a stupid thing in a very nice piece of good frame.

China cheap frames come with two screw fine adjustment seatpost nuts...