That's quite a high (3:1) ratio but if it's OK for single speed it ought to be OK fixed. If anything, I'd use a lower gear for riding single speed because you can always coast downhill, whereas on fixed you might want a higher gear for the descents so you don't spin out.
That's quite a high (3:1) ratio but if it's OK for single speed it ought to be OK fixed. If anything, I'd use a lower gear for riding single speed because you can always coast downhill, whereas on fixed you might want a higher gear for the descents so you don't spin out.