I have a store-bought ebike 3 yrs old with Bafang 500 watt hub motor and I have 2 batteries, the 2nd battery was purchased from a different company and was in indoor storage and kept at medium % full, charged some more periodically to not allow to go to low voltage. Both batteries are 48V 17 Ah. I have 8000 miles on the bike.
Recently my mileage on same regular routes has gone way down and seems to be getting worse quickly. It's about half what I was getting before. It's not the weather.
I suspected it was the battery so I changed to the spare battery and that made no difference.
The motor is not making anything like the noise I've heard on videos of mashed planetary gears, so not lot of noise, but it is slightly louder than before.
The wheels are free to turn and nothing is rubbing, neither brakes nor tires.
Any guesses? I've got a spare set of planetary gears for expected eventual replacement.
Thank you for any guidance you might offer.
Recently my mileage on same regular routes has gone way down and seems to be getting worse quickly. It's about half what I was getting before. It's not the weather.
I suspected it was the battery so I changed to the spare battery and that made no difference.
The motor is not making anything like the noise I've heard on videos of mashed planetary gears, so not lot of noise, but it is slightly louder than before.
The wheels are free to turn and nothing is rubbing, neither brakes nor tires.
Any guesses? I've got a spare set of planetary gears for expected eventual replacement.
Thank you for any guidance you might offer.