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Interesting view - so you think unsealed will outlast sealed as long as you keep them correctly adjusted and greased?
oatmeal-
This is 100% my experience, and who I prefer V8's (even when a bit loose/rattly)
Almost every pair of sealed bearing pedals I've had has failed where the tiny bearing blows up and strips the thread that the nut sits on to keep it in place. Many times this has happened within the warranty period.
This is with use on a bmx, so about as hard as it gets, but they've mostly been billed as bmx pedals anyway, should be lasting longer than a year.Currently using a heavy af pair of full bushing pedals. Plastic with metal pins, replaceable body & lifetime guarantee (apparently)
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Yes; all else being equal, for a given size a cup and cone bearing can be larger and thus stronger, and can in most bicycle applications have the preload adjusted more accurately. Sealing against water and grit will depend on the quality of the seals in each application, rather than being a matter of cartridge vs cup and cone. Which is better for a given application is going to depend on the relative quality of sealing and ease of adjustment/ease of bearing replacement, but in general I would expect decent quality cup and cone pedals (e.g. MKS/Shimano) to last for decades with an annual strip and service.
psg1ben
Thrustvector
I have a (semi-rational) suspicion of sealed bearing pedals, in that they invariably have smaller ball bearings than cup and cone designs, but that's just a personal preference. A minor niggle would be that they look to be Allen key fitting only, but if properly installed that's no deal-breaker. That being said, the reviews I've seen all seem to be very positive, and the price isn't exorbitant.