Trailstar mk1 seat post size and collar clamp size?

reanimation

Retrobike Rider
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Does anyone know? I've searched, and I've asked with no replies! and it's largely a fruitless effort so over to the committee!..

Very early ones too BMX style 25.4 post however mine is bigger than that. Not big enough to take a standard mk2 26.8. I expected it was 26.4 but wanted to confirm or not...I've just been in the loft and grabbed the sawn off post off my 1992 GT (26.4)? And that looks too wide, though it swallowed the 26.0 Kalloy off my racer project. Argh. So could be a generous 25.8 or even a 26.2!?!?

Help, one of you know this am sure....!

Seat clamp. I'm reckoning 28.6 ish. The 29.6 off the Gt is a bit big

Cheers

P9204811_zps6fc15098.jpg
 
Thanks. I'm starting to think this too. The Kalloy 26.0 one I have slips down the tube freely with no clamp in place, so summat like that. :D
Aiming for a 28.6 clamp...
 
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