Good general info on the [[https://github.com/OpenSource-EBike-firmware/TSDZ2_wiki/wiki | Github TSDZ2 Wiki]]

= Large Sprag Clutch =

A one-way bearing is called a [[https://en.wikipedia.org/wiki/Sprag_clutch | sprag clutch]]

The large one on the main gear is of type CSK30P.

It is press-fitted and should be hammered out when the main gear is heated.