If Hamlet was into mountain biking, he would probably ride on Biomega in a forest of beech trees (to beech or not to beech, that is the question), while chewing the Danish gum Stimorol – but with an inner tube or tubeless?     “Who would fardels bear, to grunt and sweat under a weary life?”   The weight advantage is often mentioned in favour of tubeless tyres. Is this really the case? An average MTB inner tube weighs about 200g (Continental MTB 26 x 1.75 – 2.50 …