Just insert the rubberised pin inside your wheel axle

SuperFabric® reinforcement

honeycombed protective shell that offers a reassuring feeling of safety

You have to get these screws yourself

DNA Air Filters - Racing Air Filter for Yamaha YZF R1 07-08 Options:Racing Air Filter Just insert the rubberised pinThis filter features DNA's advanced FCd (Full Contour design). Installation of the filter is very easy, simply follow the information that can be found in the YAMAHA workshop manual. The filtering efficiency is extremely high at 98 99% filtering efficiency, with 4 layers of DNA Cotton. This DNA filter is designed as a High flow filter for road use.