A new type of adjustable dumbbell. This review is on YouTube, so it constitutes "YouTube research". Close your browser if you can't handle it.
I have the Ironmasters and while they are durable as hell and have great ergonomics, they're kind of a PITA to change weights.
I have the Ironmasters and while they are durable as hell and have great ergonomics, they're kind of a PITA to change weights.