Sonic or Ball Shifter?

[Ravage457]

We have used both the Vexpro Ball shifter and AndyMark supershifter. They both work great, we did ran into that issue with the output shaft falling out in our first regional but once we applied loctite we never had that issue again,i know vexpro will come out with something before the season, and im looking forward to using both Vexpro and AndyMark item again, overall with experince with both, depending on the years game our team can choose what gearbox to use on our robot.........Highly Recommened both