350htrr
This weekend I did some riding on the Bionx machine. I noticed that when I was going down some really steep hills, the regen braking (set to level 4, the highest braking level) displayed regen levels that were high (maybe 75%) when I was going fast down the hills. I can feel the braking effect because if I switch to a lower level of braking or if I disable the regen braking i can feel the bike start to move even faster. The braking level is consistent on my machine so level 4 provides the highes level of braking (both at low and higher speeds) and if I decrease the level, the braking effect decreases at all speeds.
I have the most current firmware version on my controller. The dealer updated it before i took the system home.
If you do not have the most current firmware, you might want to check with your dealer and see if you can update it (I think it requires a special cable to attach to the device). Maybe the newer firmware versions have an improved regen braking algorithm.