Old 07-02-17, 10:23 PM
Non omnino gravis
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You will at the very least need a 1X chainring. If you have an older 105 with normal 110BCD there are a lot more options, including the excellent quality USAMade chainrings, and of course RaceFace. If you have the 5800, you're in the $$$ territory with Wolftooth. USAMade and absoluteBLACK make 110 4-bolt rings, but only in oval.
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