Battaglin–FiR “Pirana” – Designed and built specifically for Roberto Visentini for the 6.6 km prologue at the 1985 Giro d’Italia, it was banned at the start for the unfair aerodynamic advantage of the bulged front wheel (3s/km faster) Weird Wheels August 12, 2025— Battaglin–FiR “Pirana” – Designed and built specifically for Roberto Visentini for the 6.6 km prologue at the 1985 Giro d’Italia, it was banned at the start for the unfair aerodynamic advantage of the bulged front wheel (3s/km faster) byu/carruba_ inWeirdWheels Share this:Pocket Click to share on Reddit (Opens in new window) Reddit Share on TumblrPost Click to email a link to a friend (Opens in new window) Email Like this:Like Loading... WANT MORE?!?