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The Supersonic bracket (previously know as the J5) is the first and premier model of the new generation Profile Design brackets. It offers easier adjustments and a greater fit range than anything that came before it.
Paring this bracket with the ergo aremrest offers industry leading fit options and greater comfort.
The Supersonic/Ergo platform is designed to give riders the freedom to find their best possible position with a huge range of independence adjustments.