Knog Oi Classic Bike Bell Cycling/Bicycle Ring f/23.8-31.8mm Handlebar SV/Large FREE shipping within Australia In stock. Available via Buy Online Only Share Loading Facebook Like button... Knog Oi Classic Bike Bell Cycling/Bicycle Ring f/23.8-31.8mm Handlebar SV/Large FREE shipping within Australia In stock. Available via Buy Online Only Share Loading Facebook Like button...