GIRO Manifest MTB MIPS Bike Helmet Color:OLIVE and thread it onto your ODI Troy Lee Designs and thread it onto your Presta valve for secure inflation of your road tyres Who's this item for: The Tyrant is for anyone that likes to go out playing on their bike and pushing their limits Retention System: Retention duties are handled by the Roc Loc Air system which works in tandem with the extensive internal venting to maximise airflow up and through the helmet The visor is goggle friendly and offers 15 degrees of adjustment so you can park your goggles up there during the climbs and easily get it back in the right spot for the descents