Michelin Road Classic Front Tyre 110 90 B 18 61V Tubeless Masport Australia Twin Air Filter The high Twin Air Filter The high quality materials used in the production of these filters offer unbeatable performance and total protection from dust and sand making Twin Air filters the winning choice for top Teams and drivers worldwide and beyond such as variable speed control **More cornering and straight line stability**Thanks to its Bias belted technology and bias casing supported by two crown plies give the MICHELIN Road Classic tyre 50% more stability when cornering and 40% more straight line stability than the previous generation an innovation which combined with a 26% void ratio gives 50% more wet grip than the previous generation