So +3,400 miles on my 2020 Onyx RCR as my daily commuter. Not that I didnt have any issues at all but they were fairly minimal compared to my previous endeavors with electric and gas powered bicycle conversion kits. So far the factory built Onyx RCR experience has been a positive experience aside from the issues caused my own foolishness.
To date I've replaced the following.
1. Two Inner tubes with added Kevlar thorn liner and 4oz of slime in each new tube. (Standard regular maintenance)
2. One speed controller, DC/DC converter, and alarm box. ( I fried my dc/dc and alarm box while trying to add surface mount audio drivers and a blue tooth amplifier.
3. One right hand front break leaver. (happened due to laying my bike down)
4. One front break caliper while attempting to change break pads. (stock caliper pin got mangled while attempting to change pads) I also opted to extend my hydraulic break lines in order to upgrade my factory bars to chopper (ape hangers) bars.