Originally Posted by
Doug64
The other question is what load is the OP carrying.
I've done a little loaded touring in mountainous terrain and find that low gears make life a heck of a lot more enjoyable.
BTW- a 22 tooth chainring with a 34 tooth rear cog will get 4.6 mph at 90 rpm with 700 c wheels.
is "OP" is meaning me im 70kg, bike 15kg, gear worst case 30kg, that's if I end up having to carry my friends stuff if they struggle