Some tyre advice please :)

7448stewart
7448stewart Posts: 79
edited July 2014 in MTB buying advice
I am racing in the Ard Rock enduro next week end and have just purchased a wtb vigilante tyre for my zesty (currently on rapid robs) but do you think I need to buy a second one for the back or will this be fine? If not what should I get?

Cheers!