Originally Posted by
2old
Just for interest, did you check how hot the engine was at the top of the hill. The "experts" say holding your finger on the hub for 10 seconds reflects a safe core temp, and you should try to ascend at a rate that is half of the max speed.
No noticeable heat at hub shell. I checked multiple times after some climbs. The only "warmth" is the harness coming off the battery mount. Very little at that.
This bike liberated my wife in multiple ways! She can ride nearly all day without excessive fatigue or discomfort.