Specialized Grid tires are so bullet proof it makes me wonder if it's really worth it to bother into using sealant. What you say ? Better safe than sorry ?
Roadie DNA,mtbike curious.
Their UST tires (like the captain I run) don't require sealant but I use it anyway. I have two confirmed seals from the Stan's milk, so if you're not concerned about weight, I would do it.