What is the real-world difference between heavy and light tyres? Well, I tried to find out with some semi-science. But didn’t. Well, I sort of did.

Check out the 5 hardest climbs that are all within 20 km of Adelaide.

There's a monster that lives in the clouds above Hobart. A sinuous, relentless giant that inflicts pain on all who dare challenge it. I was lucky enough to climb it in good conditions on our recent trip to Hobart. Even then, this was quite a hill.