Omnium rings are wider than standard track chainrings and use road double bolts. I use these ones. The standard Sram ones are cheesy alloy and shit anyway.
http://www.chainreactioncycles.com/race-face-outer-ring-bolt-set/rp-prod15231
Cheers, yeah I did wonder about the width of the chainring.
@chris_tim started
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Omnium rings are wider than standard track chainrings and use road double bolts. I use these ones. The standard Sram ones are cheesy alloy and shit anyway.
http://www.chainreactioncycles.com/race-face-outer-ring-bolt-set/rp-prod15231