OSymetric chainrings compatibility to Shimano Ultegra crankset



t0m4ever

New Member
Nov 1, 2012
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Originally Posted by wtherapy .

I see the crankset is 130/92 mm while the chainrings are 130/74.
I intend to use them on a 3x9 system.

Thank you
I think you only need to worry about the 130 pcd as that's the pcd for the crank arm to the big ring and middle ring, the other is the pcd for the bolts connecting the inner ring and middle ring, and the Osymetric inner ring and middle ring should fit together or something has gone very wrong somewhere :)

I'd email the company and ask them.