http://www.busyfitnesspro.com/637/diamondback-fitness-500sr-step-thru-recumbent-exercise-bike/ Thu, 16 Jul 2009 14:20:43 +0000 http://backend.userland.com/rss092 en Sit in the lap of luxury while riding your way to fitness with the Diamondback 500Sr step-through recumbent exercise bike. The 500Sr--which includes many of the most sought-after features on the market--is equipped with an efficient eddy current brake system that provides up to 16 levels of resistance. As a ... http://www.busyfitnesspro.com/637/diamondback-fitness-500sr-step-thru-recumbent-exercise-bike/