Interchangeable axle system: Enables quick and easy hub swaps for personalized yo-yo setups
Compatible with multiple brands: Works with various yo-yo models, including select licensed brands
Durable metal construction: Ensures long-lasting performance and reliability
Includes both male and female sides: Provides flexibility for different yo-yo designs
Summarized by Shop
$14 per set. A set includes both sides (male and female).
$15 per laser engraved set.
First introduced in 2010 on the "54", Side Effects are our axle system that allow 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 Effec
