there is 5 alloy wheels kicking around Leicestershire that were nicked off me last week, that would fit a hundy 5 stud if i had known would have given the to youGenuine 80 steels weigh an incredible 20kg, 80 alloys weigh 9.6 kg . I'm not sure how much after market steels weigh I'm afraid but I guess they vary from maker to maker and size to size.