But I
AM a roadbike beginner!!!
Plus there wasn't really anywhere else to stick the question... And at least it tends to be busy in beginners, so there is a better chance of getting loads of (conflicting) answers and advice!!!
I'll make sure I stick my questions in P&L in the future!!!
However, if it helps, the mtb has a 11-32 8 speed casette and a 42/34/24 Crankset....I spent most of my live on the middle chainring and vary between gears 8-5 on flattish territory, the lowest I ever had to drop was middle ring at the front and 2 at the back - but that was on the hill from hell. I tend to spin rather than grind...
Not sure what the above really means, but it somehow sounds a lot lower than what I will get on a road bike... Argh!!!