Yesterday my son and I rode our BBS02-equipped e-MTB's from his house in Mission Viejo to the beach in Dana Point (20+ miles round trip). His bike has a kit installed 10 + years ago (Oct, 2014, AIR) which hasn't required maintenance to the motor. The bike looks like the picture except the frame bag was replaced with a downtube-mounted battery. Interestingly (or not), 80% - 90% of the many bikes we saw were some iteration of fat tire pit bikes

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Very nice! Those BBS02B's will run forever as long as you keep them spinning quick. I have one from 2016 and look forward to seeing 10 years on it next year!

My first ebike conversion was a hub motor. It will soon see its 10th anniversary as well as my 10th year of ebiking,

This was back in ice cold January. Tenth birthday is in a few weeks. I've never had a flat on it, so the ebikeling 500W hub motor has never been off the bike. The original 36V battery is still working too. but I switched to a 48V last year.

Nice job on this and all your conversions. You "cheat" because you received an EE before you became "e"conscious. I'm in my 11th year (AFAICR). My first e-bike, a conversion with a Dillenger front hub kit was about 11 years ago. The motor (and essentially battery since they replaced two earlier short-lived ones after about the first and second years) still resides on my daughter's cruiser (even after two or three trips to Burning Man).

Then

Now

Good for you 2old! Keep going!