I can’t speak for road bikes but on mountain bikes they have been shown to wear out super fast, in my group or riding friends a few people swopped to them and get about half the life that we get out of the sealed NSK or NTN bearings.
I can’t speak for road bikes but on mountain bikes they have been shown to wear out super fast, in my group or riding friends a few people swopped to them and get about half the life that we get out of the sealed NSK or NTN bearings.