New seat & seat pin

[tintin40]

I've just fitted a new seat pin and seat - USE Carbon & sella SLR 135grm. Now the bike feels all wrong. It feels like i'm seating on a uni-cycle. I've measured the pin length and lowered it a little. My knee bends a little when at full length. I've moved the seat back. But it still feels like i'm seating up to high. My old seat pin was a Thomson & sella SLR xp 165grm. No jokes about getting a proper frame Any ideas :?

 

[gump]

is it a sumo or alien? was the Thomson a layback?

 

[tintin40]

It was an 'Alien' no the Thomson was not a layback I've lowered the seat a bit more. :?