Onza citius mtb tyre edcwhen the conditions are dry and the courses dusty and blisteringly fast rolling resistance is a decisive factor in downhill racing to ensure our team riders can reach their maximum speeds onza tires citius is the perfect tire choice available in a 24 inch width for 26 and 275 inch wheel sizes this tire is designed for dry shallow depth surfaces the citius latin for faster features densely packed knobs throughout its centre section for fast rolling performa