Choosing to pay more for 105 over Ultegra (4iiii PM)

Equipment
4

Nah, the debonding issue is definitely a Shimano issue. It happened personally to me on a non-power meter chain set, and they later started an ‘inspection and replacement program’.

https://bike.shimano.com/en-AU/information/customer-services/corrective-actions/important-safety-notice-11-speed-hollowtech-road-cranksets-inspection-program.html