One Drop Side Effects

First introduced in 2010 on the "54", Side Effects are One Drop's axle system that allows for easily swapping out the hub to change the weight and the look of your yoyo. For models that use this system, the Side Effects are interchangeable: any set of Side Effect works on any Side Effect compatible yoyo. The compatible yoyos are listed below and they include a few from other brands that licensed One Drop's technology. Side Effects Aluminum Ultra Light: 2.5 grams Aluminum Lego: 2.7 grams Aluminum Markmont.: 2.8 grams Aluminum Dome: 2.9 grams Aluminum Sakura: 2.9 grams Aluminum Spike: 3.2 grams Aluminum Mini Spike: 2.75 grams Aluminum Flat Cap: 3.3 grams Aluminum Energy Domes: 3.5 grams Aluminum Stunt Peg: 4.0 grams Aluminum CODE1: 4.0 grams Aluminum Dietz: 3.0 grams Aluminum Anti-Yo: 4.7 grams Aluminum Mini Disk: 4.8 grams Aluminum Disk: 7.2 grams Brass Ultra Light: 5.2 grams Brass Lego: 5.8 grams Brass MarkMont.: 6.1 grams Brass Dome: 6.6 grams Brass Dietz: 6.7 grams Brass Spike: 7.