- Selinsgrove Pennsylvania
Yeah, it's hard to explain. I also ride a class 1 Brose middrive and usually only break 20mph on downhills, although I can pedal past it with some effort. I'm ok with the speed, but I want more torque for hills.Its hard to give an 'exact' answer since it depends on how the PAS is implemented. PAS can typically be power or speed based.
Im pretty sure bikes like the magnums are speed based from my experience riding them (hated it).
The Juiced CCX hub bike feels power based in that the assist level doesnt seem to try to maintain any speed, it just gives a set amount of assist (which would actually equate to a constant speed on a flat road with no wind). The torque sensor just seems to add more power based on rider input(the amount is based off the assist level). The feedback to the rider is nowhere as nice as my Brose mid drives. If you ghost pedal the CCX, it will assist.
The DIY torque sensor GMAC hub bike feels similar (just more responsive and powerful). I have mine setup so it doesnt start assisting until I input 10 watts so no ghost pedaling on this bike. Its also set up to only amplify my power inputs.
The BBSHD bike is a set amount of amps for each assist level and no torque sensor. You can also set a speed for each assist level although I have the speed set to something like 99mph. If you set the assist level too high for what your riding, your ghost pedaling so you have to fiddle with assist levels more.
Of course, the Brose bikes rule for 'feel' which is why I have 2. They just get better the slower you go and with lower gears.
Alot of this becomes mute at higher speeds (20mph+) when the mid-drive is actually experiencing 'torque reduction' due to gearing. At these speeds, the euro based mid-drives are also near their power limit so they will require more human input (which is great if thats what you want)
Im all for the nice euro based mid-drives from the big manufacturers if that what someone wants. They are beautiful well integrated bikes. They are also $$$ and replacement costs can be pretty high (just like apple products which many people adore)
It seems like the Juiced is set up a bit differently. Can you increase speed much on flats without changing PAS levels just by pedaling harder or faster?