I prefer the pinch bolt design. It feels more secure to me.
Both designs are great though, cause as you can see, some of the
strongest cranks have a pinch bolt, and others dont.
Both designs are very sturdy and will secure the crank to the hub.
As for the design of the cranks, its almost a preference thing.
The cranks on my DX are tubular, and I love them for when I stand on
them to do seatdrops, or leg wraps. The curve on them does make it so I
can slide my feet around them with ease, which is good for going in and
out of standing out of the cranks, or if I cuff a landing and land on
the cranks, I can easily move my feet to the pedal.
The fatter, rectangular ones would be better, because your foot would
be on a flat surface, without a slope to it, so you would be secure
standing on them.
I dont like thinner cranks though, cause my feet dont feel secure on
them, and it seems like I can slip off them easier than the fatter
cranks on my DX.
--
Jerrick
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