The Groove 6'1" Thunderbolt was that this Bonzer Twin

was that this Bonzer Twin Fin would outperform the Twin Fins of the day

There are some shatters in the gloss coat on the deck at the stringer and to the rails

High-aspect ratio

A couple of small under-the-glass shatter on the rail and the tail

The Groove 6'1" Thunderbolt was that this Bonzer TwinCondition: Brand new, A stock Description: When everything goes your way. Find your Groove. Meet the highest performance board Rob Machado's ever designed. This shape still has the hybrid DNA Rob's known for, but it's the closest thing to a high performance shortboard Rob's ever created. The Groove's rocker and tail template bring this shape back into the world of being able to come square off the bottom and go square off the lip, what everyone calls