Passengers who choose not to purchase ”Priority & 2 Cabin Bags” and arrive at the gate with 2 bags, your second larger bag (10kg weight Dimensions: 55cm x 40cm x 20cm) will be taken off you, tagged and placed in the aircraft hold free of charge.https://www.ryanair.com/gb/en/useful-info/help-centre/faq-overview#2-1
购票时要仔细看明白你所购的机票的行李规定,如果重量不敷使用,再看购行李额规定,斟酌后下订单。
上官网,看。