What’s with the UFC’s heavyweight fighters?  Earlier today we showed you a clip of Frank Mir attempting to conquer his fear of heights by jumping off a diving platform into a pool, and now a video has emerged of the 300lb Roy Nelson tearing around on a BMX in superstar TJ Lavin’s famous backyard set-up.

Showing that fear is not a factor for him, ‘Big Country’ get’s on a BMX and attempts one of the jumps on the course.

Can the pedals on a BMX withstand the weight of a 300lb self-proclaimed fat dude?  If he crashes will his belly act as a giant airbag to break his fall?  Find out the answers to these questions and more by watching the clip below, courtesy of MMA-30.

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Ross launched MMA Insight (previously FightOfTheNight.com) in 2009 as a way to channel his passion for the sport of mixed martial arts. He's since penned countless news stories and live fight reports along with dozens of feature articles as the lead writer for the site, reaching millions of fans in the process.