About the same as 11t-12t.
This might be of interest https://www.gear-calculator.com/
On paper maybe, but 11-12 I only use with a fair amount of inertia going, well over 20mph. On the other hand the 37-46 only happens at really steep, loose off-road stuff at walking speed and it's literally grind to spin fast.
@snottyotter started
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About the same as 11t-12t.