Originally Posted by
Gyro_T
I am headed to Italy for three weeks in June. I am unsure about the availability of 29er (622 X 50) tires and tubes. Our bikes have the Schwalbe Marathon Mundial tires and presta valve tubes, and although they are suppose to be reliable tires, you just never know.
You're going to Italy for three weeks? Using Marathon Mondial? Presumably on sealed roads? Spare tyres will just be unnecessary weight and bulk. All you need is a couple of spare tubes and a patch kit each. It will be extremely unlikely that you use them.