What size tires are on the Aveny? June 20, 2019 16:54 Updated Follow The Aveny is equipped with a tire size of 27.5"x1.75". Related articles What bags can I put on the rear rack? What is the step-through height? Does a child seat fit on the rear rack? Blix Aveny Step-Through Assembly Instructions Can I buy a new rear rack for my older Aveny model? Comments 0 comments Please sign in to leave a comment.