choosing a bike

[Leonir]

Hello, I am new in biking and I am trying to choose 1 good road bike, the best solution that I have found is this, but I cannot find information on how to understand will it fit me or not?...
the bike is http://www.amazon.co.uk/Elswick-Equi...810057&sr=1-11
I am ~100 kg of weight and 181 cm height.
Thank You for your attention

[10 Wheels]

Visit a local bike shop and ask what size would be best for your body build.