This is a offseason drive train 2075 Enigma Robotics has been working on to prepare for the new season. Its a West Coast Drive with a custom gearbox. The free speed is 17.47 ft/s. Here’s a link to the CAD on grabCAD - https://grabcad.com/library/frc-offseason-drive-train-1
You might be able to support the middle Mini CIM bearing plate with the plate spacing bolts instead of giving them their own. Probably insignificant weight-wise, but it would save on parts and complexity.
Other than that, looks good!