In March 2012, I left my home in Gloucestershire, UK, to cycle around the world. I have no idea how long this will take ...

Isn’t your bike really heavy?

In short, yes, although I’ve seen other cyclists with a lot more.  As indicated above, the weight of my bike depends on the time of year and the area in which I’m cycling.  I’d guess on average my baggage weighs around 30kg.