Praxis Wide-Narrow 30T Shim 96BCD Chainring has New Wave Technology. This means that the tooth pattern alternates right and left to help chain retention. The New Wave technology also creates open spaces so debris doesn't get stuck as easily.
-New Wave Technology
-This chainring is threaded and needs M8 bolt with min 7.5mm length threads.
-4.5mm plate 7075-T6 Aluminium alloy