PS

THat's a big number - the 2.5L engine in my car only puts out 163 ft-lbs, but that's at some 1000s of RPMs.

I weigh about 110 kg (242lbs, 1078 N) and have 180mm cranks, and the low gear on my mtb is 22-32:

T=1078N X 0.18m x 32t/22t = 282 Nm, or about 207ft-lbs. So my Deore freehub body regularly sees a torque of 207 ft-lbs (at ~0 RPM)