I am nearly 50 and had a stroke last year and whilst I have never been able to ride a bike (tried a few times and just could not do it) I really want to learn to ride a bike so I can go off with my hubby to get fitter - can I buy stabilers - have seen them but not sure how good they would be and if they would be safe as well - ideally would like a tricycle as my balance is rubbish after the stroke but they are so expensive - are they really easy to ride because if they are maybe I would have to pay for one of these but only if they are easy to ride.