OTEC the winner in rim protection chain test
auto motor und sport, in its 24/2012 issue, rated them as follows:
„... Among the three most popular chains in the test, Ottinger OTEC gave the best results. The chain, priced at around €175, was the easiest to fit of all the chains in the test. What's more, the chain shows good results when starting on a hill on ice and when braking ..."