Hey all, I’m building up a new aero bike. I already have a light Scott addict for climbing races and want something for flat/rolling terrain. I’ve been looking for some aero chainrings for the crank but haven’t found anything that fits the modern dura ace four bolt pattern, as far as I can tell. Do…

Final bump. Are chain rings that hard to come by for dura ace

Dunno about their aero properties but I use Rotor rings on my aero race bike because I wanted non standard sizes and DA rings are a bit limited for big rings. Works ok, but not as slick as the DA rings they replaced.

Do you happen to have a link to either where you got them or the model? I haven’t even been able to find anything that directly says it’s compatible with DA lol

Pretty sure I have these, but Rotor would be quick getting back to you if you want to check compatability. https://rotorbike.com/catalog/default/rotor/road/chainrings/noq/noq-110/round-spider-mount-chainrings-bcd110x4-aero-2x.html If I can figure out how to post a photo I’ll show what they look li…

You’re amazing, thanks for that! That’s almost exactly what I was looking for. I’m going to bookmark the website. I’m currently getting ready to buy a new bike and will order those with the bike. Cheers!

Glad it was helpful. Enjoy speccing up the new build!

Aero chainrings compatible with new DA di2 drivetrain

Equipment

BigRed February 16, 2021, 10:09pm 7

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Aero chainrings compatible with new DA di2 drivetrain

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