YYF Hub Stack Kit W/ Bearings Hybrid Japan Technology has switched the

Japan Technology has switched the Ashiru Kamui from machined to molded

They tapped into a bit of retro YoYoFactory styling when it came to making a metal version of the Arrow

Diffusion is designed to bring out the full potential of plastic

We have used a compound that performs better on your strings and we’re happy to share our secret here

YYF Hub Stack Kit W/ Bearings Hybrid Japan Technology has switched theYoYoFactory's Hub Stack technology opens a whole new world of pull starts, unique grinds, and allows you to grab your yo yo while spinning and hold it in your hand! This kit includes everything you need to add hubstacks to your hubstack compatable yoyos. 2 size A Bearings, 2 hub stacks, and 2 o rings. YoYoFactory Hub Stacks!