Quote Originally Posted by llamatron View Post
I believe Groove is a Legends sized "weapon" for Defensor, with Rook (Offroad repaint/retool) taking his place as a limb. Based off the comic cover Blades is in as an Alpha Bravo repaint/retool.
That's what I took from the image, with the other two being based on Motormaster/Blackjack and Silvebolt/Powerglide - at least this way we won't have a helicopter sized motorbike...