I am getting close to purchasing my first Ebike (at age 80) and have settled on the RR6+.I want to equip it with a set of bar end mirrors and like the various models offered by Hafny. Having read some posts on the subject of installation, I am confused as to whether the RR6+ will accept the Hafny bar end mirrors in reference to the internal diameter of the bar on the RR6+. Does anyone know what this diameter is and better yet, has anyone installed a set of bar end Hafny mirrors on a RR6+?

Also, do the OEM bar grips have removable end caps as I think the RR5 does have, or will I have to cut a hole in the RR6+ bar end grips?

Thanks