Originally Posted by
50PlusCycling
Actually, mine is a Bianchi Fretta, which is a version of the Birdy sold here in Japan, it is likely that the newer versions have been redesigned since mine was produced. I only have any noticeable noise when I am using the 36 tooth cog on the cassette, it is quiet in the other gears.
Thanks, another data point. Looks nice in Bianchi colour:
https://www.cycleurope.co.jp/2012/bi...ty/fretta.html
Have you checked if the chain is perfectly straight when using the middle cog of the cassette? I could only have a straight chain in 8th/9th gear. If I moved the chainring any closer to the frame, the chain would rub the frame in 1st gear.