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H-D Dyna

What do you get when you combine 25 years of sportbike drag racing and innovation with a V-Twin industry cry for a swingarm that can handle the ever-increasing demands of ultra-powerful baggers? Introducing the Performance Bagger Swingarm™, by Brock’s Performance. Leaning heavily on technology proven in the ‘stupid fast’ turbocharged sportbike area, our tubing, bracing, billet aluminum ends and 28mm Chromoly axle configuration routinely control 750 hp/350 ft-lb no wheelie bar missiles in 6 second/220MPH action.