Originally Posted by
icemilkcoffee
Neither.
There are some inherent flaws in the Shimano glued-together Hollowtech cranks, that cause them to separate in certain conditions.
Why not just go for the period-correct 7700 era Dura Ace if you must have Dura Ace?
Scare tactics with no basis to the reality of how often that has happened compared to any other crank failure?
What about these solid crank arm failures?
