3 motors and only 11,000 miles either you are very hard on them or something else. had 14k on my first bosch before the bearings rusted because the bike was wet for months. then our bosch powered tandem had some issues that I found now because if I start in to large of a gear it causes issues...
supervova has great ones but they will cost. this trek light has been pretty good. my trek e bike came with it and I had one put on our tandem. you dont get flash mode without their tailight though. but the price is not bad. it has high end cutoff for the lower light mode...
I have had issues when I ordered more then a1 of an item and only got one. the last time I took picks o the opening o the package and everything I shut got into a loop of we need more info. you cant contact the sellers either you get a AI and it just sends you to refunds. but that was stuff...