
Designed by Sang-Hoon Lee, the Revolution Dumbbell allows you to digitally adjust the weight by rotating a dial and pushing a couple buttons. There are balls that spin in the inside. When the balls spin faster, the more weight is generated. [Yanko]
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by Johan on June 12, 2008 · 0 comments

Designed by Sang-Hoon Lee, the Revolution Dumbbell allows you to digitally adjust the weight by rotating a dial and pushing a couple buttons. There are balls that spin in the inside. When the balls spin faster, the more weight is generated. [Yanko]
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