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They're the same risers as Griso John. AFAIK Onur is still making them. I'll take a pic of the ones on my Griso a bit later.
I have these and love them https://gtmotocycles.com/products/gt-rx-cnc-bar-risers/
After the addition of these risers how does it effect ones ridding position??
Onur's risers, (He makes some a bit taller too I believe.) on my Griso.Pete