No, what you need is short high intensity intervals. Much more effective per unit time if losing weight is the objective. Lots of anecdote and even some evidence points to this http://www.google.co.uk/search?q=HIIT+weight+loss
Long steady rides are nice for enjoying cycling and the countryside, but for getting fit and losing lard HIIT is the way to go.
No, what you need is short high intensity intervals. Much more effective per unit time if losing weight is the objective. Lots of anecdote and even some evidence points to this http://www.google.co.uk/search?q=HIIT+weight+loss
Long steady rides are nice for enjoying cycling and the countryside, but for getting fit and losing lard HIIT is the way to go.