If your side brush is slow sluggish not spinning - check this on Neato D7 BotVac and other models - YouTube
Amazon.com - LICHIFIT Lidar Motor (Fix Error 3000) for Neato D2 D3 D4 D5 D6 D7 Vacuum Cleaner Repair Parts
Botvac Connected - Please press OK to continue • Robot Reviews
Neato Botvac Repair (Laser Turret) - YouTube
The wheel on the right seems to be stuck. Anyone run into this issue? I've tried loosening the wheel but doesn't help : r/NeatoRobotics
Amazon.com - HDMNDD Neato Botvac Connected Laser Lidar Drive Belt O Ring Replacement Buna N Belts Plus Spare Side Brush Compatible D3 D4 D5 D6 D7
Neato D5 problem : r/NeatoRobotics
Teardown: D7 robot vacuum from Neato Robotics
5x Silicone O-ring For Lidar O Ring For Side Brush Rubber Belt For Neato Botvac Lidar Vacuum Models 65 70e 75 80 85 D75 D80 D85 - Cleaning Brushes - AliExpress