5 years after GC’s Murda freestyle frame revolutionized the industry Ground Control took the concept to a whole new level: The Formula 1 Freestyle frame comes with a new oversized H-Block which covers over 80 % of the frame and offers the first true wheel-to-wheel freestyle H-Block.

This concept was made possible by a patented 3-point attachment system which secures the h-block all the way through the base of the frame and the sole of the boot giving it enormous strength and rigidity. Special sickle shaped axle bolt heads increase the crucial material thickness below the axle holes and allow convenient one hand operation.
This creates a frame which is unmatched in stiffness and durability.

Related Link: http://www.razorskate.com/
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Tags: formula1, freestyle, ground control
Blader Stuff Presents: Easter Weekend 2012 Edit by Lonnie Francisco
I think it works, it is a xsjado frame, yes, but it is also quickly interchangeable to a nice flat frame, I think its a great idea. If you check websites that carry the frames, the interchangeable part is available and relatively cheap, so that automatically puts them ahead of every other company that has tried to make "easy" interchangeable parts.
EDIT: Dont get me wrong, I love GC frames and my 4 last pairs of frames has been GC's but you can't deny that are just xsjado frames with changable hblocks.
"5 years after GC’s Murda freestyle frame revolutionized the industry Xsjado took the concept to a whole new level" EDIT: Xjsado