No single unit of fitness equipment will test your ability to produce sustained POWER over a 30 sec period than the Cybex SPARC!! Get on and explode as hard as you can for 30 seconds ...
Read More »No single unit of fitness equipment will test your ability to produce sustained POWER over a 30 sec period than the Cybex SPARC!! Get on and explode as hard as you can for 30 seconds ...
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