S seattle##gs VIP MEMBER Joined Oct 28, 2014 Messages 2,146 Feb 25, 2017 #1 the two top crank bolt nuts are long and the outside end has a cup instead of threads. ??
L.A.B. Moderator VIP MEMBER Joined Nov 20, 2004 Messages 21,090 Feb 25, 2017 #2 Correct, those two hexagons are only extended to make it easier to get a spanner/wrench onto them.
