C carlhcyc Retro Guru May 21, 2024 #11 C50 seatpost diameter should be 28.0mm. I have mine shimmed to 27.2mm as I didn't like the original post (which are also quite hard to come by).
C50 seatpost diameter should be 28.0mm. I have mine shimmed to 27.2mm as I didn't like the original post (which are also quite hard to come by).
