Rolf prima hyalite adventure rear road wheelrolf primas hyalite adventure rear road wheel is a versatile alloy wheel that provides comfort grip and speed on smooth roads or soft muddy cyclocross trails rolf primas hyalite aero alloy adventurethe hyalite adventure rear road wheel is strong yet light weighing in at an admirable 820 grams this hand built aero alloy wheel may have been developed as a clincher but rolf prima has an eye on the future making this rear wheel tubeless ready the