This is not NBRC band, but it is a band for Birmingham rollers:
http://www.roller-pigeon.com/catalog/item/861199/1308870.htm
It is aluminum. You can join that site as well as they concentrate on rollers and several members there are champions that compete in NBRC competition.
http://www.roller-pigeon.com/catalog/item/861199/1308870.htm
It is aluminum. You can join that site as well as they concentrate on rollers and several members there are champions that compete in NBRC competition.