Originally Posted by Kiecker
I don't believe this is correct. The two different thread sizes for sized freewheels:
"Rear hub BMX style flip-flop, threaded for standard freewheel (included, 18 teeth or your choice) and the smaller metric size on the other side, permitting the use of optional 14 & 15 tooth freewheels."
Hmm...
What about this BMX hub I used?
Both thereads - left on left hand side and right (visible R on pic) on right hand side have same 3cm diameter.
Cheers,
v.