O-Symetric Osymetric kettenblatt lk 110 mm 44 z. dura ace 264053

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http://www.ebay.de/itm/O-Symetric-Osymetric-kettenblatt-lk-110-mm-44-z-dura-ace-264053-/271738685797?pt=Sport_Radsport_Fahrradteile_Kompon enten&hash=item3f44e34965
O-Symetric Osymetric kettenblatt lk 110 mm 44 z. dura ace 264053
anyone rode with one of these chain rings Profile is sure weird
one more http://www.ebay.ch/itm/Corona-Dual-Oval-Campagnolo-Fulcrum-Rotor-Osymetric-Record-Athena-Doval-/281538241890?pt=LH_DefaultDomain_71&var=&hash=item418cfca562