Unfortunately my technical knowledge is limited to (just about!) being able to take off the back wheel and mount the trainer ... and i get this wrong sometimes I'm tempted to to get a X1 set up at some stage, but as Zwift allows the changing of realism I'm in no rush currently.I had these issue too when i start to ride with my Drivo 2 trainer. Chain drop quite often from the chainring. Also i noticed that cassette was bit of different spot in trainer comparing rear wheel. So i need to adjust a bit of rear and front derailleur and also b-tension screw to have perfect shifting. So far so good.