Sturmey axle end is flattened , their anti rotation washer extends that flatness a little bit..


Rohloff has a lot more torque windup,* so a beefy stops are in their design ..

*compound reduction gears. 1~7 is a run through of 8~ 14 in a second reduction gear.

7 is high of the low range, 8 is low in the high range..