aluminium o 1991 orange seat post

[cyclerelic]

hello retro nutters !! love this sitte ok i got a aluminium o 1991 orange cycle the post it came with reads 27.6 ! and seems to fit well i was told a 27.2 would be ok but the frame gap seems to bend in a little more with this and i dont want to piss it up ..the orig post is alloy kalloy post would like to get a super light post to fit any help be good ...cheers

 

[cherrybomb]

Try a coke can shim, aluminium cans are about 0.1mm thick.