DIRWIN BIKE - Caravan 2.0 Cargo E-Bike 48V 500W 15MPH

Didn't come with written instructions

It's a phenomenal bike, but I had to try and watch a video to assemble it and the video was incredibly hard to follow. I tried to call Dirwin customer service and they sent me to another number with a busy tone. On the other hand Quality Quest Bikes was incredibly responsive. They actually tried to get in contact with Dirwin for me to alleviate the issues. This would have been 3 stars or less without their involvement.