MonkeyfingeR Revolution: Tasmanian Tornado Edition bearings are here to help you evolve your throwing. The solid outer steel cage combines with the 10 super-low friction ceramic balls for super smooth play. In addition, the centring channel ensures the string remains centred and away from the walls of the yo-yo. Use the extra spin to kill those long endurance combos you have been working on. Show your tricks no mercy with the REvolution bearings!  The ultimate hybrid bearings, SS with 10 ceramic balls.