I ran that for years and years, it was the original choice i think. Im 20 /15 now but with ickler wheels. Just use this http://www.sheldonbrown.com/gears/ set the gear units to inches,,,thats how far u will travel given your wheel size and gearing, But at the end of the day u need to try some different ones to see what feels best , then use the above calculator for informed tweaks. Im going 32 inches per crank rev. steve-o your going 31.1 ish( cant tell for sure , dont know your crank lenght and actual tire diameter). Based on that i wouldnt say that your gear is that hard to pedal at all.