Cbt tests? can anybody xplain cbt tests im 43 with a full driving licence living on the isle of man,

CBT means compulsary basic training for motorbikes even if you have a full licencse you still have to do this very simple training.If you want to ride a motorbike upto 125 cc then you go out for the day with a instuctor and a couple more learners all you do is drive about in a car park in and out of cones and breaking then you go out on the road for a couple of hours its simple thing to do and a good day out what it cost now im not to sure.