I think there is a misunderstanding there, Christine might well be 85, she is a remarkable lady, Marcus is probably nearer 75. I decline to comment on whether Marcus gets his leg over or not!
Eric that is a very good thought and worth thinking on, cheers.If you have the same rim size front and rear you need only one spare tube on journeys in case of a puncture!And on long distance tours you can take a spare tire which will fit both wheels! Erik