6.5 I'm afraid - running out of excuses - but I don't have a hub-geared bike yet . . .

A road bike (Serotta)
A commuting bike (Principia)
A folding bike (Bike Friday)
An expedition bike (Trek hardtail mtb)
A full-suss mtb (Titus)
A fixie (Dolan)
1/2 a tandem (Trek)