My nephew is having to get rid of his roller types all were bought as Birmingham rollers but may be some X`s amongst them I don` know enough about them to be sure, all roll to some degree but these are not competition rollers just some he had for fun , but he is now at high school and struggling for time especially while the days are short,about 6 pairs I think FREE TO COLLECTOR they are in Tamworth staffordshire , Haven`t got time to wait around for couriers so must be collected PM me if interested