Here is a rollerspear from Russia.
https://keltvic.ecwid.com/%E2%80%8B%...%9A-p152288121
"Roller Hawaiian, carbon 3K OD14
By using the "block" significantly removes the load from the brush compared to the classic version, and also allows to establish a more powerful thrust providing high punching ability.
The length of the equipped Hawaiian with a tip of 207 cm. Weight 870 grams.
Convenient to transport as it is laid out in three parts 64-55-64 cm"
Price per set. USD 250
Seems to be good value for the price.