New Free Hub technology that we may not be aware of

Wheels of Happiness

Rizal Philippines

4.14.2021

This post came across new free hub technology (I was not aware of this)

1.  Old tech:  the shimano free hub with narrow and wide spline.

2.  X drive by SRAM (to accommodate their 10 -42 developed in 2013

3.  Microspline developed in 2018 for the 12 speed cogs

New freehub tech