[FrankJ]

Originally Posted by ASD20

I would say per 2016, >2 sets of bumpers are pretty clearly allowed. Relevant rules are R20 and R27. As long as a team is prepared with the rules, they should have no problem with the majority of LRIs.

You might well be right. But the only LRI that matters is the one at your event. They as always have the option of discussing that with Al or First. A few years ago, somebody thought that about using batteries for ballast. The confusion cost them in the eliminations.