Originally Posted by
fietsbob
Or go well off the reservation , a 46-30 double 46:11 or 46:12 should be high enough.
I agree. If that doesn't provide a low enough gear, maybe switch the cassette to an 11 - 32 or 11 - 34, provided your derailleur allows for that, otherwise, switch to a mountain derailleur. I think older ones were compatible with road shifters.