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Old 11-30-14, 07:34 AM
  #107  
Fred Smedley
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Originally Posted by verktyg View Post
My Giro takes a 27.2mm seatpost which would indicate an SL seat tube with a 0.6mm wall thickness.

Aelle had a 0.8mm wall thickness in the seat tubes which would have used a 27.0mm or 26.8mm seatpost.

Zeta seat tube wall thickness was 0.9mm whuch would have used a 26.6mm or 26.8mm seatpost.

I's always heard that Fomula 2 was a blend of SL and SP tubes - probably whatever they had on the shelf... Tubo del gas?

verktyg

Chas.
Sounds right, I have a Purple Limited built in Italy, Italian BB, Formula 2, it also takes a 27.2 seatpost.
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