Blank generation freecoaster wheelsometimes you want to chill and coast theres nothing wrong with that enjoy the wind in your hair or helmet and give your legs a break with blanks generation freecoaster wheel featuring a double skin rim for enhanced strength and durability blank also opted for a low profile design which gives this wheelset a classic cut featuresrim new blank generation xl double skin rim low profile 15 5mm design 40mm widehub alloy shell fully sealed clutch system