Firewire Mid 6 Thunderbolt Surfboard - White Board Length:7'6" Base flex groove at the

Base flex groove at the base of the tail kick helps the grip mould to the board for superior adhesion

Featuring a full plan shape and a single to double concave

From just past the center to the front fins there is a Venturi concave inside the already generous double concave which sucks the tail down when on the nose

Single to double concave

Firewire Mid 6 Thunderbolt Surfboard - White Board Length:7'6" Base flex groove at theSmooth rocker Round pintail High nose rails into mid tucked rails and low hard rails in the tail Thunderbolt Red Construction Thunderbolt is a fused cell EPS foam blank utilizing a multi component flex control system and a multi layer shell consisting of layers of fibreglass. This results in a solid board with a stiffer feel that can hold its own in bigger waves.